Patent Yard Sign in
Expired Canadian patentCanada

Knitted fabric

CA 334792 A · Owner: John M. Allen · Inventors: John M. Allen

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

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 August 15, 1933. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 15, 1950.
  • 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—
GrantedAugust 15, 1933
Term endedAugust 15, 1950
Patent numberCA 334792 A
Classification (IPC)D04B1/00

Timeline

Timeline From CIPO dates

193419361938194019421944194619481950Patent grantedAug 15, 1933Term endedAug 15, 1950

Sources & verification

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