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Expired Canadian patentCanada

Incontinent bed facility

CA 1259236 A · Owner: Ritter, Russell F. · Inventors: Ritter, Russell F.

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 liquid discharge unit having a toilet tray with drainage at the bottom of the tray. Tubing extends from this drainage to a collection vessel. The tray has an upper open surface covered by a noncorrosive nylon net. The net has above it sealed foam blocks and an outer sealed cell foam sheet to facilitate mattress comfort to the patient and to provide a lying surface that will minimize the formation of decubitus ulcers. The mattress is covered by a hermetically-sealed, flexible cover made from a microfilter material. The mattress cover is filled with a sterile gas that is supplied from a flexible reservoir that is in gas flow relationship with the interior of the cover.

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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 September 12, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 12, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 14, 1986
GrantedSeptember 12, 1989
Term endedSeptember 12, 2006
Patent numberCA 1259236 A
Classification (IPC)A61G7/02

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedMay 14, 1986Patent grantedSep 12, 1989Term endedSep 12, 2006

Sources & verification

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