Expired, full termArchiveSolo inventor
Engine starting mechanism
US 1,953,717 A · Inventors: LANSING RAYMOND P
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 April 3, 1934. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 3, 1951.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 8, 1929
GrantedApril 3, 1934
Term endedApril 3, 1951
Application number—
Classification (CPC)F02N19/001
Length6 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.