Patent Yard Sign in
Expired Canadian patentCanada

Remotely operable pipe length connector and compensator

CA 1259356 A · Owner: Manchester Luther L. · Inventors: Manchester Luther L.; Reneau, Bobby J.

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

Abstract, A remotely actuable device for connecting together pipeline end portions that may be positioned at varying distances from each other including a hydraulic actuation mechanism utilized in combination with a series of housing and camming surfaces to effect gripping and sealing action.

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

  • Granted September 12, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 12, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 18, 1985
GrantedSeptember 12, 1989
Term endedSeptember 12, 2006
Patent numberCA 1259356 A
Classification (IPC)F16L35/00 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedFeb 18, 1985Patent grantedSep 12, 1989Term endedSep 12, 2006

Sources & verification

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