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Expired Canadian patentCanada

Buoyancy compensator insertable backpack

CA 1259290 A · Owner: U.S.D. Corp · Inventors: Faulconer, Mark; Greatrake, Scott E.

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

A buoyancy compensator insertable backpack is disclosed herein in the form of a configured insert having an inverted T conformation. The inverted T conformation has an upright portion with ribs thereon which provide rigidity to the upright and includes at least one set of slits therethrough in order to secure a breathing gas tank by a metal band passing therethrough and around the tank. The lower or transverse portion of the inverted T shaped backpack is curved to follow the contour of a person's torso so that support can be provided to the upright portion by having a load distributed across a person's torso in the pelvis, small area of the back or hip area. The entire insertable backpack …

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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, and the Claude kit works from them.

Why it's free to use

  • Granted September 12, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 12, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 25, 1986
GrantedSeptember 12, 1989
Term endedSeptember 12, 2006
Patent numberCA 1259290 A
Classification (IPC)A45F3/08 +2 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedAug 25, 1986Patent grantedSep 12, 1989Term endedSep 12, 2006

Sources & verification

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