Search
- Patent Model of Lamp Extinguisher, 1878 - 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.
- April 02, 1878
- Collections - Artifact
Patent Model of Lamp Extinguisher, 1878
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.