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Waterproof head covering

US 3,009,159 A · Inventors: EMMET RUTH F

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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 November 21, 1961. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 21, 1978.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 25, 1958
GrantedNovember 21, 1961
Term endedNovember 21, 1978
Application number—
Classification (CPC)A42B1/041 +1 more
Length4 pages

Timeline

Timeline From USPTO dates

1959196119631965196719691971197319751977Application filedApril 25, 1958Patent grantedNov 21, 1961Term endedNov 21, 1978

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