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Expired Canadian patentCanada

Spool assembly

CA 1192886 A · Owner: Western Electric Company, Incorporated · Inventors: Weaver, Frederick R.; Edmonston, Donald R.

CIPO record

Overview

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

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Abstract From the Canadian patent

Abstract, A spool for receiving windings of elongated material, such as connectorized lightguide cable is made, of compressive and resilient material and has a flange on each end of a hub portion. Each flange has inner and outer rims of differing diameter and a clearance therebetween for forming a channel to hold a connector that terminates an end of the cable. The channel communicates with the surface of the hub via a flared groove for passing the cable ends from hub to channel. The spool is assembled by intermeshing two identical segments.

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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 3, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 16, 1982
GrantedSeptember 3, 1985
Term endedSeptember 3, 2002
Patent numberCA 1192886 A
Classification (IPC)B65H75/12 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedDec 16, 1982Patent grantedSep 3, 1985Term endedSep 3, 2002

Sources & verification

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