Question: Patent Mar.25.84 is printed into the metal of this antique piece of equipment, with one wing nut on both ends. My question is where can I look on the Net to see what this is, and info on the patent on it? Thanks Jan
Answer: You can go to http://www.uspto.gov/patft/index.html and do a search for patents.
The nformation you have given does not look like a United States patent number. Perhaps it was patented on March 25, 1884. If so, it will be difficult to find the patent as you can only do keyword searches on patents issued from 1976 to the present. Generally, you need the patent number to find any patents issued before 1976. You could hire a professional searcher to find the patent as they have extensive resources and experience in finding patents.
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