Expired, full termArchiveSolo inventor
Fuel pump
US 3,223,045 A · Inventors: SHOPE WILLIAM H
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
Read 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 December 14, 1965. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 14, 1982.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 4, 1959
GrantedDecember 14, 1965
Term endedDecember 14, 1982
Application number—
Classification (CPC)F02M1/00 +1 more
Length5 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.