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Expired Canadian patentCanada

Exciter rotor assembly

CA 1322283 C · Owner: Gee, Thomas Arthur · Inventors: Peterson, Glen David; Gee, Thomas Arthur; Dierker, Joseph Bereswill, Jr.

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

An in-axle wheel speed sensor exciter rotor assembly (100) for sensing the rotational speeds of a drive axle ring gear (14/30) and a drive axle differential side gear (48) is provided. The assembly includes a tubular member (102) having teeth (110) for engagement with slots (112) provided on the side gear hub (48a) and carrying a first exciter rotor (116) at the opposite end (114) thereof. A second exciter rotor (118) is axially retained on the tubular member axially adjacent the first exciter rotor and is rotatable relative thereto. The second exciter rotor carries coupling means (124/128) for engagement with threaded bores (126) provided in the drive axle ring gear/carrier assembly to …

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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 September 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 21, 2010.
  • 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 1, 1989
GrantedSeptember 21, 1993
Term endedSeptember 21, 2010
Patent numberCA 1322283 C
Classification (IPC)H02K19/20 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedAug 1, 1989Patent grantedSep 21, 1993Term endedSep 21, 2010

Sources & verification

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