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Expired, full termArchiveSolo inventor

Insole-type appliance

US 2,480,997 A · Inventors: BRAASCH CLARA R

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1 drawing sheet

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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 September 6, 1949. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 6, 1966.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 18, 1947
GrantedSeptember 6, 1949
Term endedSeptember 6, 1966
Application number—
Classification (CPC)A43B7/1415 +2 more
Length4 pages

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