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Expired Canadian patentCanada

Forming machine with multiple work stations

CA 1238213 A · Owner: Ex-Cell-O Corporation · Inventors: Stein, Ronald R.

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The forming machine includes a load station adjacent one end, an unload station adjacent the other end and a first work station, turnaround station and second work station spaced longitudinally in succession between the load and unload stations along a workpart flow path. Each work station includes a rotatable spindle fixed in position on one side of the flow path and a tailstock with a workpart support slidable toward the spindle transversely of the flow path. An overhead transfer mechanism is slidable along the flow path and carries multiple workpart transfer members such as grippers to transfer workparts successively from one station to the other along the flow path. First and second …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted June 21, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 21, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 20, 1985
GrantedJune 21, 1988
Term endedJune 21, 2005
Patent numberCA 1238213 A
Classification (IPC)B21D17/04 +2 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedAug 20, 1985Patent grantedJune 21, 1988Term endedJune 21, 2005

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.