Expired, full termArchiveSolo inventor
Exercising device
US 2,550,841 A · Inventors: MARTINEZ LARRY S
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 May 1, 1951. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 1, 1968.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 3, 1948
GrantedMay 1, 1951
Term endedMay 1, 1968
Application number—
Classification (CPC)A61H1/02 +2 more
Length13 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.