Expired, full termArchiveSolo inventor
Gas tank lock
US 2,345,809 A · Inventors: SAMUEL GREENBERG
Overview
1 drawing sheet
Every sheet is in the USPTO PDF.
Open the USPTO PDFRead the whole patent
Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted April 4, 1944. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 4, 1961.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 8, 1941
GrantedApril 4, 1944
Term endedApril 4, 1961
Application number—
Classification (CPC)B60K15/0409 +2 more
Length4 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.