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Expired Canadian patentCanada

Foam insulation/shading system for transparent structures

CA 2559094 C · Owner: Vineberg, Stephen A. · Inventors: Amar, Dror; Vineberg, Stephen A.

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

A periodically shieldable solar structure (10) comprises a cavity formed between a pair of light transmitting members (12). A foam insulation/shading system (14) is provided for periodically filling the cavity with degradable foam. The foam insulation/shading system (14) comprises a series of foam generators (28) mounted within the cavity and distributed therealong to provide multiple foam generating points therewithin. The foam generators (28) are operatively coupled to a source of pressurized air and a source of foaming solution.

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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

  • Filed March 9, 2005 and granted October 30, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 9, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 9, 2005
GrantedOctober 30, 2012
Term endedMarch 9, 2025
Patent numberCA 2559094 C
Classification (IPC)E04B1/74 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMarch 9, 2005Patent grantedOct 30, 2012Term endedMarch 9, 2025

Sources & verification

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