Portable power tools
CA 1291514 C · Owner: Singer Company (The) · Inventors: Sistare, James R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable power tool including a power unit housing having first and second housing segments joined together in clam shell fashion includes a tool head which is mounted to extend forwardly from the power unit housing by means of a bearing plate provided with tapped holes for reception of screws extending through the tool head. The bearing plate is contained entirely within the interior of the power unit housing to avoid external seams by means of a clamping flange defining the forwardmost extent of the first and second housing segments. The bearing plate is formed with plural auxiliary handle mounts projecting from openings formed in the first and second housing segments for reception of …
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 October 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 29, 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.
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.