Corrugated steel wall lining for boxcar
CA 1081541 A · Owner: Iec-Holden Ltd. · Inventors: Winsor, Robert B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A metal sheet for lining side walls of a freight railway car having a plurality of spaced-apart vertical wall supports. The metal sheet comprises a plurality of spaced-apart elongated channels formed across a flat surface of the sheet. Each of the channels has a bottom wall spaced from the flat surface of the sheet. A plurality of spacedapart apertures are provided in the bottom wall of at least some of the channels to permit an attachment element to connect the sheet to an associated one of the vertical wall supports. The channels are configured to receive an anchor bar having an attachment part and securable ends. The securable ends are weldable in the channels …
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 July 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 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.