Method and apparatus for folding an elongate storage bag
CA 1303638 C · Owner: Smith-Gander, Dwight · Inventors: Smith-Gander, Dwight
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
METHOD AND APPARATUS FOR FOLDING AN, ELONGATE STORAGE BAG" ABSTRACT OF THE DISCLOSURE, The apparatus comprises an assembly of three linearly positioned frames, namely a folding frame a backing frame, and, a holding frame. Each of the folding and holding frames comprises a circular array of spaced rods which array can be, advanced and retracted longitudinally and expanded and, contracted radially. The backing frame comprises a circular array of spaced rods which are fixed. The folding frame operates within the plastic storage bag to be folded. The folding frame is adapted to expand to grip and stretch a length or "section" of the bag. This section then can be advanced over the backing frame …
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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 June 16, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 16, 2009.
- 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.