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Expired Canadian patentCanada

Air gun

CA 1264128 C · Owner: Brass Eagle Inc. · Inventors: Perrone, Aldo

CIPO record

Overview

Drawings and full text

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

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No Claude kit for weapons

Claude doesn't help design weapons, ammunition or explosives, so this page has no Reinvent kit. To develop this one, work with a federally licensed manufacturer (many of these items are regulated) and a registered patent attorney or agent, listed on the USPTO roster.

Abstract From the Canadian patent

A gun for firing pellets such as paint pellets has a lower barrel through which the pellets are fired and a hammer mechanism mounted in a rear end portion of this barrel. This mechanism includes a hammer spring and a hammer. An upper barrel is mounted on the lower one and it contains means for holding and punching a hole in a gas cylinder mounted in this upper barrel. A gas valve system is arranged in the lower barrel in front of the hammer. This system has a valve body fixedly located in the lower barrel, which body has a gas chamber and a forward gas passageway that is connected to the chamber when the gun is fired. A hole extends between the two barrels and is located along a portion of …

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 2, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 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.
FiledSeptember 29, 1988
GrantedJanuary 2, 1990
Term endedJanuary 2, 2007
Patent numberCA 1264128 C
Classification (IPC)F41B11/62 +1 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedSep 29, 1988Patent grantedJan 2, 1990Term endedJan 2, 2007

Sources & verification

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