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Expired Canadian patentCanada

Base assembly for dynamo-electric machine

CA 1292730 C · Owner: General Electric Company · Inventors: Sieber, Robert Lee

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

A base assembly for mounting a dynamo-electric machine on a planar mounting surface includes a generally rectangular metal sheet with flat root portions and a cradle portion intermediate the foot portions. Leg portions Or the metal sheet each incline upwardly from a corresponding foot portion to support the cradle portion a first preset height above the mounting surface. The foot portions are capable being drawn to increase the height of the cradle portion above the mounting surface to a second preset height, so that the axis of a rotor shaft of a motor supported by the base assembly will extend over the mounting surface at an increased height. The base assembly can also be detachably fixed …

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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 December 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 3, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 10, 1988
GrantedDecember 3, 1991
Term endedDecember 3, 2008
Patent numberCA 1292730 C
Classification (IPC)H02K5/00 +1 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedMarch 10, 1988Patent grantedDec 3, 1991Term endedDec 3, 2008

Sources & verification

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