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Expired Canadian patentCanada

Centering and levelling of mobile press bending apparatus

CA 2001650 C · Owner: Enk, Allan T. · Inventors: Flaugher, Jeffrey R.; Enk, Allan T.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

The invention pertains to a press bending apparatus incorporated in a mobile carriage mounted upon retractable wheels adapted to be carried upon rails extending transversely of the production line whereby that it can be readily moved into and out of operative position in the line. Mechanism is included for vertically moving the carriage between a raised transport position and a lowered operating position. Centering and levelling means are provided for assuring proper alignment of the press members and associated conveyor rolls with the adjacent heating and tempering sections as the apparatus is moved into operating position.

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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

  • Filed October 27, 1989 and granted December 21, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 27, 2009.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 27, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 27, 1989
GrantedDecember 21, 1999
Term endedOctober 27, 2009
Patent numberCA 2001650 C
Classification (IPC)C03B23/03 +1 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedOct 27, 1989Patent grantedDec 21, 1999Term endedOct 27, 2009

Sources & verification

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