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Expired Canadian patentCanada

Recipient design to contain an energy storage medium with high fusion-crystallization latent heat

CA 1278433 C · Owner: Patry, Jean · Inventors: Patry, Jean

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 recipient which is filled with a storage medium which expands during place transformation wherein the recipient is a flexible structure having a geometrical shape such that only the flexibility of the structure is required to increase its volume to compensate for the expansion of the stored medium without creating stress or stretching the walls of the structure.

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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 January 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 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.
FiledJanuary 8, 1988
GrantedJanuary 2, 1991
Term endedJanuary 2, 2008
Patent numberCA 1278433 C
Classification (IPC)F25D3/00 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedJan 8, 1988Patent grantedJan 2, 1991Term endedJan 2, 2008

Sources & verification

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