Partial pressure jerkin
CA 1165052 A · Owner: Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty'S Canadian Government · Inventors: Firth, James A.; Porlier, Joseph A. G.; Kaufman, Herman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention proposes a partial pressure jerkin that includes a front panel and a rear panel to overlie the anterior and posterior region of the trunk respectively of a wearer. The front and rear panels are joined at selected areas of their periphery to provide head, arm and leg apertures. An opening is formed in the rear panel extending from the head aperture to one of the leg apertures to permit access to the garment and a zip fastener is provided to close the opening. A single bladder is attached to the inside of the outer garment and is positioned between the front panel and the chest of the wearer. The bladder extends between the head and arm apertures to terminate in a region …
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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 April 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 2001.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.