Expired, full termArchiveSolo inventor
Fuel injector for diesel engines
US 2,071,237 A · Inventors: TOM RUPPRECHT
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 February 16, 1937. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 16, 1954.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 16, 1934
GrantedFebruary 16, 1937
Term endedFebruary 16, 1954
Application number—
Classification (CPC)F02M57/02 +2 more
Length3 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.