Roofing tool
CA 1252314 A · Owner: Napolitano, Michael J. · Inventors: Napolitano, Michael J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A roofing tool comprises a trowel blade and a pivotal clamping arm for use in the installation of torch-fused roofing material. A shaft is mounted to a shank which extends from the trowel blade and mounts the trowel handle. The shaft pivotally mounts the clamp arm. The clamp arm is configured so that the forward portion of the arm and the forward tip of the trowel blade cooperate to form a clamp.
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 April 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 11, 2006.
- 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.