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Brush assembly for pipe wrapping machine

US 2,888,694 A · Inventors: BETZEL SR ALVIN E

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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 June 2, 1959. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 2, 1976.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 19, 1955
GrantedJune 2, 1959
Term endedJune 2, 1976
Application number—
Classification (CPC)B08B9/023
Length3 pages

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