Rail car with end enclosure
CA 1281941 C · Owner: Burleson, Robert M. · Inventors: Burleson, Robert M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rail car having a bed, sidewalls and a curbed roof defined by at least one slope on each side connecting the flat top of the roof with the sidewalls and an end opening. Substantially symmetrical doors close the end opening. The doors are hung such that each can be moved from a position closing a portion of the end opening to a stowed position substantially along the inside of a sidewall. The doors have upper gable portions that substantially entirely fill the upper portion of the end opening. The doors when in the closed, position, substantially stand in one plane. First and second sloped end portionsof the roof at each side and near the end opening are arranged with the lower edge …
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 March 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 2008.
- 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.