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Draining device

US 1,699,159 A · Inventors: PITT GUY L

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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 January 15, 1929. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 15, 1946.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 2, 1927
GrantedJanuary 15, 1929
Term endedJanuary 15, 1946
Application number—
Classification (CPC)E03B7/10 +2 more
Length4 pages

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