Expired, full termArchiveSolo inventor
Diving suit
US 2,388,674 A · Inventors: BROWNE JOHN W
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 November 13, 1945. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 13, 1962.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 22, 1942
GrantedNovember 13, 1945
Term endedNovember 13, 1962
Application number—
Classification (CPC)B63C11/24 +1 more
Length11 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.