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Expired, full termArchiveSolo inventor

Sash-fastener.

US 1,171,908 A

USPTO PDF

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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 February 15, 1916. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 15, 1933.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedFebruary 15, 1916
Term endedFebruary 15, 1933
Application number—
Classification (CPC)E05F11/00 +1 more
Length3 pages

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