Expired, full termArchiveSolo inventor
Carburettor with automatic excess air adjustment
US 3,529,809 A · Inventors: SELD HANS A FREIHERR VON
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 September 22, 1970. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 22, 1987.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedSeptember 22, 1970
Term endedSeptember 22, 1987
Application number—
Classification (CPC)F02M1/00 +1 more
Length14 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.