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Expired, full termArchiveSolo inventor

Machine for applying cement

US 1,985,482 A · Inventors: CHAPIN HERBERT L 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 December 25, 1934. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 25, 1951.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 13, 1931
GrantedDecember 25, 1934
Term endedDecember 25, 1951
Application number—
Classification (CPC)A43D25/18
Length7 pages

Timeline

Timeline From USPTO dates

1932193419361938194019421944194619481950Application filedJune 13, 1931Patent grantedDec 25, 1934Term endedDec 25, 1951

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