Expired, full termArchiveSolo inventor
Inflatable flotation vest
US 2,950,488 A · Inventors: SABO STEPHEN C
Overview
4 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 30, 1960. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 30, 1977.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 14, 1956
GrantedAugust 30, 1960
Term endedAugust 30, 1977
Application number—
Classification (CPC)B63C9/1255
Length9 pages
Sources & verification
Official USPTO records
Cross-check elsewhere
Everything on this page comes from the USPTO record linked above.