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Expired Canadian patentCanada

System and method for maintaining air inflatable mattress configuration

CA 2597929 C · Owner: Vrzalik, John H. · Inventors: Robson, Godfrey Charles Alexander; Smith, Kenneth R.; Gonzalez, Juan L.

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Abstract From the Canadian patent

A system and method for maintaining an air inflation mattress configuration sufficient for patient support and comfort. Infrared illumination levels are measured within individual or groups of inflated mattress chambers. A staggered approach to illumination monitoring of chambers or sections to eliminate crosstalk between the infrared sensors is carried out. Distributed microprocessor controllers established in a network configuration utilizing controller network protocols reduces the wiring and connections necessary for the assembled system. Various mattress cushion construction techniques such , as sewing and or RF welding methods are used for the creation of individual chambers …

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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 February 16, 2006 and granted July 22, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 16, 2026.
  • 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.
FiledFebruary 16, 2006
GrantedJuly 22, 2014
Term endedFebruary 16, 2026
Patent numberCA 2597929 C
Classification (IPC)A47C27/10

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 16, 2006Patent grantedJuly 22, 2014Term endedFeb 16, 2026

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