Expired, full termArchiveSolo inventor
Pump lubrication means
US 2,902,012 A · Inventors: MALCOLM ROBERT H
Overview
3 drawing sheets
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 September 1, 1959. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 1, 1976.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 28, 1957
GrantedSeptember 1, 1959
Term endedSeptember 1, 1976
Application number—
Classification (CPC)F01M1/12
Length8 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.