Lightweight battery powered suction broom
CA 1264104 C · Owner: National Union Electric Corporation · Inventors: Hohulin, Samuel E.; Thomas, Joyce K.; Richmond, Clark S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lightweight broom having a rechargeable battery powered vacuum pump and a mounting assembly for pivotally mounting a nozzle. The mounting assembly and power assembly are spaced apart on a frame carrying both assemblies and a, filter bag arrangement is removably received therebetween. The filter bag arrangement includes a canister adapted to removably fit on a frame between the mounting assembly and the power assembly.
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 2, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 2007.
- 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.