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Guide for the engagement of stud carrying collars on a grooved shaft

US 2,980,357 A · Inventors: CHARLES LABRIE

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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 April 18, 1961. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 18, 1978.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 22, 1960
GrantedApril 18, 1961
Term endedApril 18, 1978
Application number—
Classification (CPC)B65H19/30 +2 more
Length3 pages

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