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Expired Canadian patentCanada

An adaptable firing pin asssembly for a bolt action firearm

CA 2575285 C · Owner: Caulley, Bruce · Inventors: Caulley, Bruce

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

Assembly (39) for a bolt action firearm comprises impact member (43) for impacting firing pin (42), spring (44) and shroud (45) for housing both member (43) and spring (44). Shroud (45) connects to the proximal end of bolt (40) which houses firing pin (42) and firing pin return spring (41). When assembly (39) is in a firing mode, a firing mechanism controls the release of energy stored in spring (44) so that member (43) impacts on the proximal end of firing pin (42) which then fires a cartridge located within a firing chamber in a known manner. Firing pin (42) may be located in a concentric position relative to the axis of bolt (40) for firing centre fire cartridges or the , axis of …

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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

  • Filed July 28, 2005 and granted July 17, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 28, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 28, 2005
GrantedJuly 17, 2012
Term endedJuly 28, 2025
Patent numberCA 2575285 C
Classification (IPC)F41A19/30 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJuly 28, 2005Patent grantedJuly 17, 2012Term endedJuly 28, 2025

Sources & verification

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