Grain storage apparatus
CA 1069017 A · Owner: Environetics · Inventors: Winters, Raymond S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved storage apparatus for dry material in bulk is disclosed. The storage apparatus includes a tarpaulin cover and a circular metal wall. The tarpaulin cover is secured to the circular metal wall or to any, suitable surface, by a lashing means including a plurality of eyelets in the periphery of the tarpaulin cover a, plurality of anchors attached to the wall or alternatively, to any suitable surface a first cable attached to the, anchors so as to encircle the wall and a second cablc, alternately threaded through the eyelets and around the first cable. According to another embodiment there is provided a storage container which includes a flexible membrane cover and a flexible …
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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 January 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 1997.
- 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.