Wall or lining structure
CA 1285736 C · Owner: Bpb Industries Public Limited Company · Inventors: Smith, Gersham William Owen; Lambert, James Hedley
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wall or lining structure for shafts ducts or barriers, comprises panel members (11) supported by studs (10) having spaced paralleled flanges (13,15). The panels are held against the inner surface of at least one flange by an independent spacer member (14) having different cross-sectional dimensions in different directions. Different numbers of thicknesses of panel can be accommodated between the flanges of identical studs by varying the orientation of identical spacer members relative to the studs.
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 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 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.