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Hair waving device

US 2,019,151 A · Inventors: RENE MARCEL FRANCOIS

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2 drawing sheets

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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 October 29, 1935. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 29, 1952.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 2, 1933
GrantedOctober 29, 1935
Term endedOctober 29, 1952
Application number—
Classification (CPC)A45D4/12
Length8 pages

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