Apparatus and method for making booms and bags
CA 2227091 A1 · Owner: Stashick, Daniel A. · Inventors: Stashick, Daniel A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mobile apparatus for making booms or bags containing filler is mounted on a truck and includes: a roll of flexible material; guide rollers and a support surface for providing a horizontal elongate sheet of material from the roll the sheet, having side edges; a hopper and conduit for depositing filler onto the sheet; a heavy duty sewing machine for attaching together the side edges of the sheet; blades for cutting the material to form a boom or bag having open ends; a stapler for closing the open ends; and a moveable conveyor for depositing the boom or bag. A method for making booms or bags containing filler, includes the steps of: providing a substantially horizontal elongate sheet of …
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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 January 15, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 15, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 15, 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
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.