Truck bay door apparatus
CA 1262660 C · Owner: Crosson, Robert · Inventors: Crosson, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A door apparatus (10) is disclosed. The door apparatus (10) includes means for connecting to a door frame (20) of a building (11) suitable for housing a truck body assembly, e.g. a semi-trailer (13). The semi-trailer (13) includes a body (15) supported by wheels. The door apparatus (10) obstructs the space between the truck body (15) and the door frame (20) of the building, thereby permitting the truck body (15) to extend through the doorway while maintaining a weatherresistant and secure enclosure. In a preferred embodiment the door apparatus (10) includes left and right sections, (18) and (14) respectively, that are vertically hingedly connected to the door frame (20); an upper section …
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 November 7, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 7, 2006.
- 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.