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Vacuum gripping device

US 3,005,652 A · Inventors: HELM JACK D

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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 October 24, 1961. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 24, 1978.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 14, 1960
GrantedOctober 24, 1961
Term endedOctober 24, 1978
Application number—
Classification (CPC)B66C1/0212 +1 more
Length4 pages

Timeline

Timeline From USPTO dates

196119631965196719691971197319751977Application filedDec 14, 1960Patent grantedOct 24, 1961Term endedOct 24, 1978

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