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Expired Canadian patentCanada

Waste drainage attachment for a recreational vehicle or the like

CA 1269802 C · Owner: Hanmar Motor Corporation · Inventors: Hanemaayer, Jacobus N.

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 waste drainage attachment for recreational vehicles includes an elongated rigid cylindrical housing having one end adapted to be connected in communication with the outlet of the vehicle waste storage tank. An axially compressible and extendable flexible hose has its one end secured within the housing such that the hose can be axially compressed and completely stored within the housing and also axially extended such that the opposite end of the hose may be brought outwardly of the opposite end of the housing and made to communicate with the waste receptacle. A rigid cylindrical end piece is provided on the opposite end of the hose which is adapted to be fitted to the opposite end of the …

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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 June 5, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 2007.
  • 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 19, 1986
GrantedJune 5, 1990
Term endedJune 5, 2007
Patent numberCA 1269802 C
Classification (IPC)E03D1/00 +2 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedMarch 19, 1986Patent grantedJune 5, 1990Term endedJune 5, 2007

Sources & verification

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