Expired, full termArchiveSolo inventor
Playing-ball.
US 712,414 A
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 28, 1902. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 28, 1919.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedOctober 28, 1902
Term endedOctober 28, 1919
Application number—
Classification (CPC)A63B37/0003
Length4 pages
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.