Patent Yard Sign in
Expired Canadian patentCanada

Flexible conduit system

CA 1193237 A · Owner: The Lamson & Sessions Co. · Inventors: Fochler, Helmut P.; Pate, Harold T.

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

A system of flexible conduit and fittings useful particularly, though not exclusively, for conveying supporting and, connecting electrical service cables and wires. The system includes a corrugated synthetic resin conduit which is flexible and mechanically strong, connector sleeves for clampingly engaging sections of the corrugated conduit in end-to-end relation, and hanger sleeves for clampingly engaging the conduit and suspending it from a wall or similar surface. A novel electrical outlet box is provided and includes internally toothed conduit receiving inlet fittings for securely engaging an end of the conduits in inlets to the box.

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 10, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 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.
FiledOctober 1, 1979
GrantedSeptember 10, 1985
Term endedSeptember 10, 2002
Patent numberCA 1193237 A
Classification (IPC)F16L3/08

Timeline

Timeline From CIPO dates

19801983198619891992199519982001Application filedOct 1, 1979Patent grantedSep 10, 1985Term endedSep 10, 2002

Sources & verification

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