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Expired Canadian patentCanada

Tool for manual relocation of electrical cables

CA 1103723 A · Owner: Chance (A. B.) Company · Inventors: Bosch, Mahlon L.; Mckelvy, Marvin D.

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

Abstract of the Disclosure, A tool for safe manual shifting and, manipulation of energized lines is provided which finds special utility in mines or other close areas where conditions of moisture and the like make it mandatory that electrical equipment be handled with great care. The tool includes an elongated, insulative rod having, adjacent one end thereof, a pair of spaced, opposed, fixed hook-, like, spiral, cable-engaging fingers. In use the, fingers are placed astride an electric cable or the like and the rod is rotated axially so that the fingers pass under and cooperatively engage and capture the cable therebetween, thus permitting easy shifting and movement of the cable. Particular …

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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 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 1998.
  • 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 9, 1979
GrantedJune 23, 1981
Term endedJune 23, 1998
Patent numberCA 1103723 A
Classification (IPC)H02G1/00 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedMarch 9, 1979Patent grantedJune 23, 1981Term endedJune 23, 1998

Sources & verification

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