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Canadian application, no grantCanada

Crenelated abrasive tool

CA 2271806 A1 · Owner: Maoujoud, Mohammed · Inventors: Maoujoud, Mohammed

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An abrasive tool for cutting extremely abrasive-resistant materials includes a novel, abrasive segment with a generally crenelated rectangular appearance. , The segment has a single piece vein of a primary abrasive and first bond material extending completely along the length of the segment. Gaps between the vein and the faces opposite the vein coincident faces are occupied by a second bond material, and optionally, a secondary abrasive thus forming , multiple, separated abrasive regions. The segment can be adapted to conform to the curvature of diverse cutting edges and thus can be used in rotary and , reciprocating saw blades and core drilling bits. Primary abrasive and first bond …

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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 September 30, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 30, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 30, 1997
GrantedNo grant recorded
Term endedSeptember 30, 2017
Patent numberCA 2271806 A1
Classification (IPC)B24D3/06 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedSep 30, 1997Term endedSep 30, 2017

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.