Start Dating us patent numbers

Dating us patent numbers

To actually view the patent images you will need a plug in for your browser, Internet Explorer, Netscape, or Opera, called a Tiff viewer.

Send questions about USPTO programs and services to the USPTO Contact Center(UCC).

The design patent protects only the appearance of an article, but not its structural or functional features.

The following table displays the calendar year along with the first corresponding document number issued in each year for selected patent document types (utility, design, plant, and reissue patents and statutory invention registrations) (*) The current patent numbering system began with a patent issued on July 13, 1836.

Finding a British patent There are two basic steps to finding a patent: look up an index to find the patent number and year, then ask a librarian to request the patent using the number and year. See the Digitised versions box on this page for the links to the digitised indexes.

There are three types of index: name (of patentee); subject and chronological. If it is from 1893 onwards, go to the Online resources box on this page. If you cannot find the patent online, you can search an index. For patents from 1617 to 1892: Use the indexes to find the patent number and year. Step 2: Once you have the patent number and year, ask a librarian to request the patent from the offsite store for you.

Later on, I’ll discuss how to locate a vintage jewelry patent when you don’t have the patent number.

Beginning in 1955, jewelry designs were allowed to be copyrighted, and jewelry companies could simply stamp their jewelry with the copyright symbol to protect the designs.

The user should note that while the data in this table have been checked, it still is possible that inadvertent errors remain.