Expired, full termArchiveSolo inventor
Method of manufacturing uppers for footwear of the sandal type, and to uppers produced by such method
US 3,553,754 A · Inventors: MENDELSOHN NORBERT JULIUS
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
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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 January 12, 1971. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 12, 1988.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledOctober 8, 1968
GrantedJanuary 12, 1971
Term endedJanuary 12, 1988
Application number—
Classification (CPC)A43B3/103
Length3 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.