Electrically powered tool
CA 2136892 A1 · Owner: Black & Decker Inc. · Inventors: Wilson, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrically powered tool, in particular an electrically powered tool of the type which comprises a shaft assembly of adjustable length, comprises: (a) a handle assembly;, (b) a cable entry mounted in the handle assembly;, (c) a shaft assembly, one end of which is mounted in the handle assembly;, (d) a head mounted at the end of the shaft assembly remote from the handle assembly;, (e) an electric motor mounted within the head and, (f) a cable which extends within the shaft assembly from the cable entry to the motor. The shaft assembly is adjustable to allow relative movement between the head and the handle assembly in the radial and/or the axial direction, and the cable follows a path …
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
- Filed November 29, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 29, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 29, 2016.
- 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.