Expired, full termArchiveSolo inventor
Box for razor blades
US 2,016,256 A · Inventors: O'KEEFE CARROLL J
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 October 1, 1935. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 1, 1952.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 9, 1934
GrantedOctober 1, 1935
Term endedOctober 1, 1952
Application number—
Classification (CPC)B65D83/10
Length3 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.