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US 2,073,775 A · Inventors: BAUMEL NAT 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 March 16, 1937. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 16, 1954.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledOctober 18, 1935
GrantedMarch 16, 1937
Term endedMarch 16, 1954
Application number—
Classification (CPC)A43B7/144 +1 more
Length3 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.