Patent Yard Sign in
Expired Canadian patentCanada

Universal chlorinator module

CA 1092731 A · Owner: Rainbow Lifegard Products, Inc. · Inventors: Price, Kenneth E.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A chlorinator is used in a swimming pool system having a filter assembly and a pump for circulating water from the pool through the filter assembly and back to the pool. The chlorinator comprises a housing which defines therein a selectively-openable airtight chamber adapted for receiving therein a quantity of water-soluble dry chlorine material. A water inlet port opens to the chamber essentially at the bottom end thereof, and a separate water outlet port opens from the chamber also essentially at the bottom of the chamber. The inlet port is adapted for connection thereto of an adjustably valved duct by which water to be chlorinated can be applied to the inlet port. A check valve is …

Read the whole patent

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 December 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 7, 1977
GrantedDecember 30, 1980
Term endedDecember 30, 1997
Patent numberCA 1092731 A
Classification (IPC)C02F1/00

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedSep 7, 1977Patent grantedDec 30, 1980Term endedDec 30, 1997

Sources & verification

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