Patent Yard Sign in
Expired Canadian patentCanada

Composite insulation material

CA 1213701 A · Owner: Fingerhut, Arthur L. · Inventors: Fingerhut, Arthur L.; Fingerhut, Howard W.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A garment or the like is disclosed which includes a composite interlining sheet material comprising a substantially continuous internal layer of porous material having low heat conductivity and high resilience. The internal layer is of a substantially uniform thickness and consistency, and its composition and thickness is such that it is supple and drapable. A continous layer of flexible reflective material is bonded to the outside of the internal layer at atleast spaced intervals and functions to reduce the conduction of heat away from the internal layer and decrease the emissivity of the composite sheet, the outside being the side which is to be disposed away from the body of the wearer …

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, and the Claude kit works from them.

Why it's free to use

  • Granted November 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 4, 1983
GrantedNovember 12, 1986
Term endedNovember 12, 2003
Patent numberCA 1213701 A
Classification (IPC)A41D27/00 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedFeb 4, 1983Patent grantedNov 12, 1986Term endedNov 12, 2003

Sources & verification

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