Flail mallet assembly
CA 2432994 A1 · Owner: Werner Doppstadt Umwelttechnik Gmbh & Co Kg · Inventors: Doppstadt, Werner
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a beating arrangement for a rotary shredder comprising a base body (12) which is rotationally arranged around an axis (20) and a cutting body (16) which is detachably fixed onto a protruding part (22) of the base body. A protruding profile (50) is formed on the front surface thereof in the direction of rotation whereon the cutting body (16) forms a positive fit. The profile (50) can be embodied in the form of a protruding truncated pyramid, whose base surface lies on the plane of the front surface (24) of the protruding parts. The cutting body (16) can comprise two cutting edges (30, 32) which are bilaterally symmetrical in relation to a surface which …
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 January 8, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 8, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 8, 2024.
- 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.