Edison Light Bulb Shot Glass
- National Archives Store Exclusive
Add a little light humor to your barware with this shot glass featuring Thomas Edison’s 1880 light bulb patent. Shaped like an incandescent light bulb and featuring a gold cap that looks just like the metal screw thread of a bulb, this shot glass is a fun addition to your glassware and could definitely inspire some bright ideas.
"Be it known that I, Thomas Alva Edison, of Menlo Park, in the State of New Jersey, United States of America, have invented an Improvement in Electric Lamps, and in the method of manufacturing the same of which the following is a specification. . . . The object of this invention is to produce electric lamps giving light by incandescence, which lamps shall have high resistance, so as to allow of the practical subdivision of the electric light."--Thomas Alva Edison. Filed with the United States Patent and Trademark Office November 4, 1879.
The patent act of 1790 established the rules for submitting a patent application. Each application had to be submitted with specifications, a patent drawing, and if possible a model of the invention. Eventually, models were no longer required.
The National Archives holds nearly three million patent case files from 1836-1956.