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Defensive Publications (T) and Improvement patents (AI) are not included in this table.
(**) Reissue patents were not separately numbered until 1838.
Rather, a recession is a significant decline in economic activity spread across the economy, lasting more than a few months, normally visible in real GDP, real income, employment, industrial production, and wholesale-retail sales.
For more information, see the latest announcement from the NBER's Business Cycle Dating Committee, dated 9/20/10.
The link below is to a free TIFF viewer you can download and install this is one of the ones recommended by the patent office.
It is a small download: Please visit our other pages.
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.
This is my UK / GB equivalent of the list presented on that site.
Patents for inventions (or, or as USPTO calls them, Utility patents) are usually at least two pages, with the first page showing patent drawings and subsequent pages stating the Specifications and Claims. If you go back to step 6, you will see the Current U. other "match safe", "snuff box" or "spoon" patents.
patent and would like to see the patent drawings or read the patent text, you can do it online. The address is: are now at page one of your patent, and you can navigate through the pages of the patent using the tools on the left side of the page. This information is useful if you want to search for items in the same classification, i.e.
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