Screw guide device with drill bit/screw bit and counter sink/drill stop means
CA 2315993 A1 · Owner: Maxtech Manufacturing Inc. · Inventors: Hasan, Maz A.; Vasudeva, Kailash C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A holder for holding a tool bit having an elongated connector means with a first end and, a second end. The elongated connector means has a central longitudinal hole of a, cross-section corresponding to the cross-section of a mounting portion of the tool bit, at the first end, and a tool mount at the second end and where the elongated , connector, means has a first circumferential groove adjacent the second end and a second circumferential groove adjacent the first end. A first sleeve is arranged to reciprocally, slide over the connector between a first end position and a second end position, where, the first sleeve has a third end facing the tool bit and a fourth end facing the hand …
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 August 14, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 14, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 14, 2022.
- 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.