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They do, depending on what it is it can be from 10 to 25 years
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∙ 14y ago
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Are there examples of patents with a time limit?
ALL US patents expire within a timeframe.
Should there be a 5 year limit on welfare?
No, there should not be a time limit on welfare. These people need to be able to live properly.
How much time should you spend in a brainstorming?
no limit
How much time should you spend in brainstorming?
no limit
Should the age limit to have a part-time job be lowered?
Yes, the age limit should be lowered to15 years old
Why do patents remain in effect only for a limited time rather than forever?
Patents give recognition to the inventor, and limit what someone else can do with the original design. Once a person dies, their invention is no longer covered by patent laws, and this means the device can be modified by anybody who thinks they can improve on the original design.
How much time should you spend in a brainstorming session?
no limit
How many patents did Alfred Nobel hold?
By the time Alfred Nobel died, he held over 350 patents.
How detailed should patents application be?
In a patent you should include EVERYTHING about the application.
Where can you find information about a 22 single shot bolt action with a round barrel if the only markings are Manufactured by J Stevens A and T Co Chicopee Falls Mass USA patents applied for?
You should be able to find information on this if a patent or patents issued on the article at some time in the past. Go to www.uspto.gov. There should be a "patents" link, then there should be a link for "patent searches." Search under "issued patents" (pay attention to the date range) using keywords and you may come up with patents that relate to your subject matter and disclose lots of facts, including the inventors, assignees, relevant dates, and all the details on the article.
Should government have the power to limit the rights of their citizens during war time?
YES!
What is the time limit on a filibuster?
There is no time limit on a filibuster.
