Suspension system for sound absorption panels
CA 1082159 A · Owner: United States Gypsum Company · Inventors: Wendt, Alan C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification describes a horizontally movable sound absorption wall comprising one or more sound absorption panels each panel supported by a top frame member of a frame extending around the outer edge of each sound absorbing panel wherein each top frame member has a cross-sectional U-shape having one or more depending lip portions; at least one hanger attached to each top frame member wherein the hanger has a horizontal portion one or more vertically depending connection portions depending vertically downward from the horizontal portion with said vertical dependent connection portions having one or more support portions comprising inwardly and upwardly formed portions of the vertically …
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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 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 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.