In the United States, under current patent law, the term of patent, provided that
maintenance ... 1995 and for patents that were still in force on June 8, 1995, the
patent term is either 17 years fr...
Feb 18, 2016 ... Prior to that date, an estimated 9,957 patents had been issued. ... titled Issue
Dates and Patent Numbers Since 1836, which contains first patent ...
These dates are a handy reference that you may find useful for figuring out when
an item was first produced. For example, if you find something with a patent ...
U.S. patent date chart. this chart will help you find the year an item was patented
if you know the patent number, also design patents. Brought to you by ...
Biddington's provides a list of US patent numbers cross-referenced with the dates
they were issued to help in determining the age of antiques & collectibles.
If you have the number of a U.S. patent and would like to see the patent ... If you
only have a pre-1976 patent date, you also may be able to find the patent if you ...
See section (22) for the number and issue date of that patent. The Reissue Patent
has been examined and issued again with modifications to the claims.
Biddington's provides a list of patent numbers cross-referenced with the dates
they were issued to help in determining the age of antiques and collectibles.
Advanced Patent Search, About Google ... Patent number, Return patents with
the patent number. Title, Return patents with ... Restrict by filing date. Restrict by ...
Datamp stands for Directory of American Tool and Machinery Patents. Patents
are searchable there by inventor, manufacturer, issue date- include a partial date,