Lifting spreader frame
CA 2000295 A1 · Owner: Strang International Pty. Limited · Inventors: Taylor, Lindley A.; Baldock, Kenneth W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lifting spreader frame for use in the handling of unitised bundles of goods according to USLM (Unit Strap Lifting Method) practice. The lifting spreader frame comprises a frame, and a plurality of elongate members. The elongate members are each transversely movable to an operative position by passing under respective straps upstanding from and embracing an article or bundle of articles under the frame. The lifting spreader frame further comprises means to prevent the straps from slipping off the elongate members when the latter are in their operative positions and fluid actuators associated with each elongate member. The fluid actuators retract the elongate members from their operative …
Read the whole patent
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 October 6, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 6, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 6, 2011.
- 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.