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Method of making an article of footwear

US 2,158,153 A · Inventors: ROBERTS EDWARD F et al.

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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 May 16, 1939. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 16, 1956.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledSeptember 23, 1937
GrantedMay 16, 1939
Term endedMay 16, 1956
Application number—
Classification (CPC)A43B23/047 +2 more
Length3 pages

Timeline

Timeline From USPTO dates

1938194019421944194619481950195219541956Application filedSep 23, 1937Patent grantedMay 16, 1939Term endedMay 16, 1956

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