Patent Model of Lamp Extinguisher, 1878
THF152203 / Patent Model of Lamp Extinguisher, 1878
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Artifact Overview
From 1790 to 1880, the U.S. Patent Office required applicants to submit a miniature model along with diagrams and written descriptions detailing the operation of their invention. Patent models could be no larger than 12" by 12" by 12". Though they were usually not operational, these models helped explain an inventor's idea and protect it from competitors.
Artifact Details
Artifact
Model (Patent)
Date Made
1878
Subject Date
02 April 1878
Creators
Place of Creation
Location
Not on exhibit to the public.
Object ID
26.160.45
Credit
From the Collections of The Henry Ford. Gift of the Smithsonian Institution
Material
Glass (Material)
Brass (Alloy)
Dimensions
Height: 4.5 in
Diameter: 4 in
Inscriptions
Patent office tag marked: NO. 202076 / K.G. TUNK / LAMP / EXTINGUISHER / PATENTED APR. 2n / 1878.
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