Expired, full termArchiveSolo inventor
Sealing cap for cans and the like
US 2,630,237 A · Inventors: ROSENLOF KENNETH E
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 March 3, 1953. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 3, 1970.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 5, 1950
GrantedMarch 3, 1953
Term endedMarch 3, 1970
Application number—
Classification (CPC)B65D41/225
Length4 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.