Patent Yard Sign in
Expired Canadian patentCanada

Electric motor having printed circuit board attached to stator and at least partially supporting bearing

CA 2575653 C · Owner: A.O. Smith Corporation · Inventors: Lesak, Alan E.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

An electric motor that includes a stator a rotor including a rotor shaft and , a support member coupled to the stator. A first bearing is at least partially disposed within the support member and a printed circuit board is coupled to the stator. A second bearing is at least partially disposed within the printed circuit board. The first bearing and the second bearing cooperate to support the rotor shaft for rotation relative to the stator.

Read the whole patent

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 August 18, 2005 and granted April 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 18, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 18, 2005
GrantedApril 2, 2013
Term endedAugust 18, 2025
Patent numberCA 2575653 C
Classification (IPC)H02K5/16 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedAug 18, 2005Patent grantedApril 2, 2013Term endedAug 18, 2025

Sources & verification

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