Vibrating screening apparatus
CA 1320471 C · Owner: Huff, Darrel · Inventors: Huff, Darrel; Connolly, James D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Vibrating screening apparatus in which one or more screen panels are supported between spring-mounted side plates on crosstubes and the several parts of the apparatus are connected primarily by bolting, the crosstubes by U-bolt and tube saddle clamps to framing for attaching the screen panels to the apparatus, the bolted connections by avoiding initial and residual stress and yielding as needed to operational stress imposed by vibrating mechanism of the apparatus, not only enabling the apparatus to operate for extended periods without fracture of parts but, should a fracture occur, permitting and facilitating selective removal of the fractured part for repair or …
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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 July 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 20, 2010.
- 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.