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Expired Canadian patentCanada

Sanitary cleaning apparatus

CA 1235858 A · Owner: Matsushita Electric Industrial Co. Ltd. · Inventors: Watanabe, Shinichi; Nasu, Ichiro; Aoyagi, Hirofumi

CIPO record

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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 sanitary cleaning apparatus includes a cleaning water discharger and function means having at least the same function as the cleaning water discharger, and a switch connected to the cleaning water discharger and the function means, respectively. When the switch is turned on, a first setting control sets the energization amount of the cleaning water discharger and/or the function means to a first set value. When a second setting control is turned on, the energization amount of the cleaning water discharger and/or the function means is changed to a second set value set by the second setting control. When a human body detector is turned off, the energization amount is returned from 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 May 3, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 28, 1985
GrantedMay 3, 1988
Term endedMay 3, 2005
Patent numberCA 1235858 A
Classification (IPC)A47K4/00 +1 more

Timeline

Timeline From CIPO dates

1986198819901992199419961998200020022004Application filedJune 28, 1985Patent grantedMay 3, 1988Term endedMay 3, 2005

Sources & verification

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