Filing cabinets
CA 2179489 C · Owner: Hon Industries Inc. · Inventors: Beals, Ralph; Howe, Stanley M.; Kackley, William G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A storage cabinet (40) is formed of a plurality of generally planar prepainted sheet metal panels (42, 44, 46 48, 50, 52) adhesively, laminated to one another to define a case of said cabinet. Certain of the panels (70-72) are formed with deep narrow inwardly projecting reinforcing ribs (76) disposed along edge portions of one side of the cabinet near the vertical corners, thereby forming reinforcing structures adjacent these corners. Another side panel (44) formed with edge flanges (86, 88) at right angles to its major plane is mounted with these flanges disposed in the open channels. Improved roller slide supports (140) for the drawers (66) are included in which channels, are formed for …
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
- Filed December 28, 1993 and granted April 15, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 28, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 28, 2015.
- 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.