Expired, full termArchiveSolo inventor
Composite can with easy opening scored can opener end
US 3,397,809 A · Inventors: ELLERBROCK DONALD 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 August 20, 1968. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 20, 1985.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 26, 1966
GrantedAugust 20, 1968
Term endedAugust 20, 1985
Application number—
Classification (CPC)B65D15/06 +2 more
Length6 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.