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When searching, how can I tell if a patent is utility or design?

I would like to be able to search google patents and tell if one is utility or design. Is there a code or clue? I am aware this should be obvious, but wording makes it tricky. There is one for ...
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1answer
33 views

hypothetical situation: utility to design patent - wanted utility patent already gone; can I create a design patent based on existing utility patent

I filed for a utility patent and afterward I found someone's utility patent that won't allow mine to be approved. A close example is: applying for a specific design for a shoe and hoping that it ...
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1answer
27 views

Patent Design Public Domains

Company A obtained a design patent(unpublished)in 1990 which was granted and enforce. Company B during the enforcement period of 1995, decided to apply for a utility patent, using the methods of ...
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0answers
35 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 ...
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3answers
245 views

How “different” must an invention be to be patented?

Is it worth pursuing a patent for something that seems like a variation of what someone else has already submitted an application, advertised, published, created or marketed, etc? How "different" ...
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2answers
16 views

Availability of patent 361, 211 [duplicate]

Is this patent expired or still in use? How do I find out if this design patent is still valid
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1answer
66 views

Should I file for a design patent or an utility patent?

I have a new invention that it will help a coffee machine to be more hygienic and more practical. I am confused and I don't know whether this is a design patent or utility patent.
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1answer
641 views

Should I publish my idea prior to releasing a product to prevent a competitor from filing a blocking patent?

I have an idea for a new product but I have not yet manufactured or commercialized it. I am concerned that another company could block me from selling my product by filing for a patent on my idea ...
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2answers
289 views

Should I build a mock up of the improvement I am looking to patent before filing?

I am looking to make an improvement on a product already in place. Is it crucial to build a mock up of what I am proposing? How specific do I need to be with my improvement idea? Do I need to include ...
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1answer
361 views

Wallet Patent - Public Domain

Are wallets patent-able? How would I know if a patent is in the public domain? I am wondering if this design or similar designs have a patent? ...