Patent Yard Sign in
Expired Canadian patentCanada

Soldered tube end

CA 1079040 A · Owner: Reynolds Metals Company · Inventors: Jenkins, William B.

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

An initially loose fitting aluminium sleeve is pre-tinned with fluxless solder and, while the solder is molten is, swaged down and rotated to form a tight soldered joint connecting two aluminium tube ends, or an aluminium tube end to a copper tube end. -1-

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 June 10, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 10, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJune 10, 1980
Term endedJune 10, 1997
Patent numberCA 1079040 A
Classification (IPC)B23K1/18

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJune 10, 1980Term endedJune 10, 1997

Sources & verification

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