A device for perpendicular stratification of planary fibrous shapes
CA 2331250 A1 · Owner: Sanetrnik, Filip · Inventors: Sanetrnik, Filip; Krcma, Radko; Hanus, Jaroslav
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for perpendicular stratification of planary fibrous shapes above all , of fibrous web, comprising two synchronously moving elements connected with , the driving mechanism according to the invention consists in that the reciprocating moving elements (1, 2) are connected with their driving mechanism (3) indirectly by the intermediary of at least one robust shaft (4) rigidly fitted in bearings in a rigid framework of the machine while one , element (1) is connected with the shaft (4) rigidly or over flexible joints (6), and a second element (2) is coupled by means of flexible joints (7) with the same shaft or with another shaft. The driving mechanism (3) can consist of one …
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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 May 25, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 25, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 25, 2020.
- 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
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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.