Multi-purpose floor cleaning tool
CA 1299828 C · Owner: Hult, David R. · Inventors: Hult, David R.; Tomastak, Mark J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of Disclosure, A multi-purpose floor cleaning tool for use in picking up or collecting wet or dry media is disclosed and includes a, first passageway connecting a first side of the tool to a vacuum line, a second passageway connecting a second side of the tool to the vacuum line, and an adapter for optionally closing off the second passageway during use of the first passageway or for closing off the first passageway during use of the second passageway. One of the passageways is used exclusively for dry media whereas the other passageway is used exclusively for wet media. This requires re-positioning of the tool for the proper orientation of the dry or wet media passageway as desired.
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 May 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 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.