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1
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1answer
20 views

multiple figures of the same device - should parts be described again?

When having multiple figures of the same device from different point of view (from left side, front side etc.), should we use the same numbers for the same parts, or number them again? And should we ...
-3
votes
1answer
19 views

what is the application number of this patent

In reference to the patent: US2666001
4
votes
1answer
226 views

Sort patents by citation number

I am looking for a way to find the most cited patents in a field as a method of getting to know the basics and state of the art fast while reading the minimum amount of material (even though I suppose ...
2
votes
1answer
3k views

Patent Number suffix A1 / B2 etc.

On some patent numbers I see an "A1" / "A2" / "B2" etc. suffix after the actual patent number e.g. "USxxxxxxxxx B2" or "WOxxxxxxxx A1" etc. What do these suffixes mean? Is there a key somewhere ...
2
votes
2answers
1k views

USPTO different numbers for the same patent

How come sometimes a USPTO application/grant has many numbers form the same patent? For example: US6334845 (B1) is "also published as" US6422996(B2) and as US6413211(B2). I understand that the ...
0
votes
1answer
347 views

why do google patents contain s1

Why do the patents on google patents contain 's1' after the patent number e.g., http://www.google.com/patents/USD678656 USPTO doesn't seem to have S1: http://patft1.uspto.gov/netacgi/nph-Parser?...
1
vote
1answer
140 views

Patent purchase

I would like to own this patent but have no idea how to go about redeeming this patent. Who will I need to contact in order to purchase the patent. It appears to be inactive. Charlie