Questions tagged [expired-patent]

For questions involving expired patents.

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How would I go about recreating an invention in an expired patent?

Just a weird question. Example: Let's say there was an expired patent that outlines a computer mouse with capacitive buttons. It has patent drawings of the components inside of it and provides ...
patentsaccount33's user avatar
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1 answer
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Can a patent that is expired for fee related reasons be renewed?

Can the owner who stopped paying annual patent fees (and thus the patent got expired) - renew it within the 20 years if he suddenly realizes that it is worth it? And if yes - during what time period ...
user1876484's user avatar
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Expired Patent US1704999A

My great grandfather held a patent that was created in 1929. I know the patent is expired, is it possible that the patent was passed on to somebody?
Charles William Boshart's user avatar
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Why Aren't Patent Expirations Listed for USPTO Gazette Vol. 1454 No. 2?

Reviewing 300+ issues of the Official Gazette Of The United States Patent And Trademark Office, from 2014 to present I noticed that only one issue — Vol. 1454 No. 2, from September 11th, 2018 — ...
Trevor Reid's user avatar
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1 answer
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Too late to renew my Patent?

My patent was due for renewal Dec 2019, year 8. Is there any way I can resurrect it? Thanks in anticipation. Pat.
Patricia Dixon's user avatar
2 votes
2 answers
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Using an expired patent as part of a new patent

I have an idea for a product which has not been patented and is rather unique. However, my design would include a hook and loop fastener. Since Velcro's patent on this has expired, am I allowed to use ...
Jack's user avatar
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2 answers
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Can fee related expired patent be renewed?

Does this mean patent is expired and I can manufacture the apparatus? can former patent owner renew it and how would it affect my production? 2014-04-08 Anticipated expiration 2019-10-31 ...
Mary's user avatar
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1 vote
2 answers
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Is it safe to sell a patented product that is expired due to fee and the anticipated expiration of the patent is in 2 years from now

I came across a product that I want to sell but when I found its patent through Google Patents, it says that the patent was canceled in 2015 because of no annual fee payment. Now my concern is; can ...
Adam Smith's user avatar
1 vote
1 answer
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No opposition filed within time limit

what do think about patents no. EP0529765A1 and no. EP0529766A1 ? The status both is: "No opposition filed within time limit" (Status updated on 18.07.1997). Does it means the patents expired ? Thanks ...
Neringa's user avatar
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1 answer
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If a patent expire can someone else repatent it?

I came up with an idea to solve a major problem but Theres was already a patent out. But it was patented back in the 40s and have since expired. But i see similar patents which are newer. I am not to ...
user159665's user avatar
1 vote
1 answer
126 views

What is the time limit for reviving an expired patent?

We have patent #5,853,128 which was applied for on Mar. 8, 1997 and issued on Dec. 29, 1998. We missed paying the final maintenance fee and have not tried to get it reissued before now. How long do ...
Richard Lee's user avatar
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Expired Patent can we apply for a new patent with similar idea

If a Patent has expired due to non-payment of fees and is almost 30 years old, can we apply for a similar patent (not a copy) as we have a similar idea.
Raj Desai's user avatar
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Is this a current patent: CA2277698A1

My question is CA2277698A1 a patent or only a application for a patent?
Jeff Collier's user avatar
2 votes
0 answers
164 views

Is patent US 4,734,658 A avalible free of change in commercial products? [closed]

In reference to the patent: US 4,734,658 A We are from India, we wish to use this patent in one of our products. Can we use this patent free of charge or we have to pay some amount?
user15094's user avatar
1 vote
2 answers
84 views

Is there any value to this patent?

The inventor of US 1,808,692 A was my Grandfather. I recently discovered this patent online, so I am curious about it.
dave's user avatar
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1 vote
3 answers
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US 2,038,852 A (April 1936) - Who was the manufacturer?

US 2,038,852 A This is a kitchen sink strainer system. How do I find out the manufacturer or supplier of this patent or find out if the product is still manufactured?
user15022R's user avatar
1 vote
1 answer
472 views

What is the priority date of US 4,851,616 A?

What is the correct priority date of US 4,851,616 A, and what are the legal ramifications if an inventor deliberately misrepresents the priority date based on an error in the patent? Please provide ...
Parker's user avatar
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1 vote
1 answer
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Is it possible to re-assign Patent US 4,023,765 A?

In reference to the patent: US 4,023,765 A I am the youngest daughter of James R. Kinnamon, the original owner of this patent. My father passed away in 1998. He gave me the legal documentation of the ...
Rita A. Kinnamon-Jackson's user avatar
1 vote
1 answer
150 views

My grandfathers patent, expired?

In reference to the patent: US 948,162 A I'm wondering if this patent has expired, and the process to claim it? This is my great-grandfathers invention.
Sandra Barnett Crossan's user avatar
2 votes
1 answer
173 views

Information regarding my father’s invention?

In reference to patent: US 2,768,768 A My late father, Vern L. Boven, is shown on this patent for the caulking gun from 1953. Does this mean that he was the inventor? If so, did he receive any ...
Bette Ebel's user avatar
2 votes
1 answer
264 views

Error in patent, involving confusion of bacterial names

In reference to the patent: US 4,210,672 The abstract contains the phrase: Yogurt is prepared with a mixture of milk powder and novel Lactobacillus thermophilus (also known as Bacillus coagulans) ...
Jennifer's user avatar
1 vote
1 answer
35 views

Copyright expiration

In reference to the patent: US 2,981,578 I would like to know if the copy rights of this item are still in their period of validity.
Artur Sampaio's user avatar
3 votes
1 answer
55 views

Patent specification

In reference to the patent: US 2,738,257 Has the patent been granted for the complete method or for the compound mixture?
user14624's user avatar
2 votes
3 answers
631 views

there a patent on my idea but it is expired how do I get the rights?

I came up with an idea and after getting it submitted to a patent agent. I found that something similar had been submitted in 1998. I was told by my agent that there is nothing I can do as far as ...
kaylee's user avatar
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3 votes
2 answers
323 views

What happens after a provisional patent expires?

I was thinking about applying for a provisional patent and seeking funding for to build my prototyped design on a larger scale. Should funding fall through or there's not much of a market interest, ...
Samee87's user avatar
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2 votes
1 answer
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Has this patent expired in Canada but not in the US? [US5,662,332]

I am quite interested in trading card games and as a result the patent that Wizards of the Coast holds on the subject interests me. Since it's been about 20 years since the original trading card game (...
Jasper's user avatar
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2 votes
0 answers
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Expiration of patent 5,580,417 as well as technology used in tensioning cap in Figure 5

My first question has to do with patent #5,580,417. I believe this patent is expired, but are there any other patents in force using the same technology? My second question is in regards to the ...
Lawrence Nash's user avatar
2 votes
1 answer
149 views

Possible to file for a patent, despite super broad, expired patent already existing?

I was looking to patent an invention I feel to have novelty, but I came across this one pre-existing US patent while doing some research. It was filed over 20 years ago and has since "lapsed". ...
Dip's user avatar
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2 votes
0 answers
340 views

Elevator driven by flat belt in EU

I am currently doing some research about elevators driven by flat belts. There seem to be a few patents regarding the use of flat belts for elevator suspension means. I found patents US8157058and ...
R. Klein's user avatar
1 vote
1 answer
70 views

is this patent ep1020784a2 expired?

I am doing patent search first time and struggling to establish if ep1020784a2 patent is withdrawn or expired? would appreciate feedback from anyone experienced out there. regards Kamesh
kamesh's user avatar
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1 vote
2 answers
2k views

Parent patent expired due to non-payment - are issued continuations still valid?

US patent 5938197 shows that it is expired due to non-payment (according to the search here: http://portal.uspto.gov/pair/PublicPair ). This patent has several children/continuations. Does the fact ...
JR Warren's user avatar
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1 vote
4 answers
13k views

How can you renew an expired patent?

I've been researching on how to renew an expired patent, and all I get for results are maintenance fees for patents filed on or after December 12th 1980. I am hoping someone would have an idea or an ...
Levon's user avatar
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0 votes
1 answer
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Patent No. USD513117 S1--Is this still a valid patent? [duplicate]

I'm trying to find out if this Patent No. USD513117 S1 is still valid. How can I find out for sure?
Porter Smith-Thayer's user avatar
0 votes
2 answers
179 views

Is this patent expired? [duplicate]

Is the USD388287 S patent expired? I am looking to design something similar to this.
user9995's user avatar
4 votes
1 answer
169 views

How to get rights to lapsed Patent?

Patent US 5,240,307 is for a invention that my father created. And I see that the patent has lapsed due to non-payment of fees. I was wondering how someone can go about obtaining the patent.
user7862's user avatar
7 votes
3 answers
22k views

Is an expired patent in the public domain?

From what I've been reading about US patents, once a patent has expired, it enters the public domain and can be freely used. The patent I was looking at was filed on 1/1999 and published in 10/2000. ...
Force Flow's user avatar
10 votes
3 answers
23k views

What is a "Lapsed Patent" and which concepts (if any) may still be protected by this Patent?

US 6,148,942 "Infant stroller safely propelled by DC electronic motor" According to Google Patents, US 6,148,942 is Lapsed and according to Public PAIR its status is Expired as of 2008. Google ...
user5428's user avatar
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