Hand truck
CA 1069560 A · Owner: Donsus Ltd. · Inventors: Stewart, C. Peter; Wood, Thomas N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hand truck including a large wheel means connected to a frame with an elongated first portion from which extends a handle connected to a second portion to provide two separated handle portions so that one or the other is sufficiently high above the ground during use of the cart so as to avoid muscular strain in the back of the user. The large wheel means reduces the difficulty in moving the loaded truck aver rough or soft terrain. A gripping means is provided to grasp and hold slabs or flat stones even when such a slab or stone lies closely adjacent to others and is therefore difficult to grip.
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
- Granted January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 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.