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Expired Canadian patentCanada

Cold weather garments

CA 1290897 C · Owner: Lassiter, B. Dean · Inventors: Lassiter, B. Dean; Mann, Joe A.; Ambrosiani, Vincent F.

CIPO record

Overview

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

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Abstract From the Canadian patent

Upper and lower body cold weather garments (10 11) are provided which have excellent warmth moisture permeability, wind resistance and water, resistance, and are easy to construct. The garment comprises an interior lining fabric (15) such as a, loosely knit nylon lining, an outer fabric (16) and, a layer (17, 117, 217, 317, 417) of preponderantly open cell foam, preferably about 1/4-one inch thick, between the fabrics. The components are connected together by stitching (30). The outer fabric (15), and the whole garment (10 11), have an, air permeability of less than 15 cubic feet per minute per square foot at 0.5 inches head of water and moisture vapor transmission of at least 500 grams per …

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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 October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 25, 1987
GrantedOctober 22, 1991
Term endedOctober 22, 2008
Patent numberCA 1290897 C
Classification (IPC)A41D31/06

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJune 25, 1987Patent grantedOct 22, 1991Term endedOct 22, 2008

Sources & verification

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