Material loading trailer apparatus
CA 1069860 A · Owner: Priefert, Marvin J. · Inventors: Priefert, Marvin J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The loading apparatus of this invention is capable of handling heavy loads such as large round bales of hay weighing fifteen hundred pounds or more without requiring the use of hydraulic, electrical or any other auxiliary power source. The apparatus includes a ground wheel supported portable frame having a tongue structure connectible to a tractor and with the portable frame by a lost motion means. A load carrying frame is movably supported on the portable frame for movement between a lowered bale loading position and an elevated bale transport position in response to the lost motion of the tongue structure relative to the portable frame. With the load carrying frame in its loading position …
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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 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 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.