Abrasive disc
CA 1195504 A · Owner: Litton Industrial Products, Inc. · Inventors: Kubsh, Leroy M.; Schlie, Donald R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An abrasive disc comprising a bonded abrasive body having a substantially flat mounting surface a, plurality of anchoring means each including a cup shaped metallic washer having a flat top surface portion substantially flush with the flat mounting face and an annular outwardly inclined skirt portion embedded within the abrasive body, each washer including a first plurality of apertures in the skirt portion whereby integral portions of the bonded abrasive body extending therethrough lock the washer in position within the bonded abrasive, and a second plurality of apertures in the flat top surface portion for decreasing the metallic surface area of the washer bottom surfaces wherein bonded …
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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
- Granted October 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2002.
- 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.