Patent Yard Sign in
Expired Canadian patentCanada

Floor treatment machine

CA 1278921 C · Owner: Brunner, Peter · Inventors: Brunner, Peter

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

The machine housing is equipped with travel wheels and a control or manipulating handle. A floor treatment or work implement has a central throughpassage and a treatment or working surface which, in the operating position of the floor treatment machine, bears with essentially its entire treatment surface upon the floor to be treated. This floor treatment implement is rotatable by an electric motor mounted at the machine housing. A steering wheel is disposed within the space bounded by the central throughpassage and the steering axis of this steering wheel substantially coincides with the rotational axis of the floor treatment implement. The steering wheel is displaceably mounted in the …

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 January 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 2008.
  • 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 9, 1988
GrantedJanuary 15, 1991
Term endedJanuary 15, 2008
Patent numberCA 1278921 C
Classification (IPC)A47L11/10 +2 more

Timeline

Timeline From CIPO dates

1989199119931995199719992001200320052007Application filedMarch 9, 1988Patent grantedJan 15, 1991Term endedJan 15, 2008

Sources & verification

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