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Expired Canadian patentCanada

Breech locking system for self loading fire arms

CA 1264247 C · Owner: Smith, David Edward · Inventors: Smith, David Edward

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

15 -, ABSTRACT OF THE INVENTION, "BREECH LOCKING SYSTEM FOR SELF LOADING FIRE ARMS" In a locked-breech, short recoil, pistol type fire arm, the breech block slide (B) is provided with a separate locking block (E) engageable with both the barrel (C) and the slide (B) and accommodated between the underside of the barrel (C) and the upper surface of a movable trigger guard (D). Hold open means (X) are provided operable in the absence of cartridges in a magazine (T) or in the breech to allow the slide (B) to be held in the fully retracted position and simultaneously to release the trigger guard (D) for limited forward and downward movement the trigger, guard being provided with means which on …

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.

Why it's free to use

  • Granted January 9, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 9, 2007.
  • 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 3, 1985
GrantedJanuary 9, 1990
Term endedJanuary 9, 2007
Patent numberCA 1264247 C
Classification (IPC)F41A3/02 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedDec 3, 1985Patent grantedJan 9, 1990Term endedJan 9, 2007

Sources & verification

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