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Shoe having the upper secured to the outsole by a separate strip of material having a lasting allowance

US 2,675,632 A · Inventors: LEVIN DAVID E

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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 April 20, 1954. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 20, 1971.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 7, 1950
GrantedApril 20, 1954
Term endedApril 20, 1971
Application number—
Classification (CPC)A43B15/00
Length3 pages

Timeline

Timeline From USPTO dates

1951195419571960196319661969Application filedJuly 7, 1950Patent grantedApril 20, 1954Term endedApril 20, 1971

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