Cleaning apparatus
CA 1311882 C · Owner: Taylor, John · Inventors: Taylor, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cleaning apparatus comprising a hand-held motor-driven brush rotating, in use, to spread cleaning fluid on a surface to be cleaned by the brush, and incorporating means to supply the fluid to the brush head, is characterised by the feature that the brush is a cylindrical brush whose bristles emerge generally from the longitudinal axis about which the cylinder defined by the bristle-ends, rotates in use; and in another broad aspect by the features, that the motor and optionally the pump form a back-pack unit, with the drive from the motor to the brush, and optionally the fluid line from the pump to the brush, running from this unit to the brush handle and being sufficiently flexible to allow …
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 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 29, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.