Switchgear with integral pry slot and a planar base
CA 2289264 A1 · Owner: Wilkie, William Edward Ii · Inventors: Wilkie, William Edward Ii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An enclosure for electrical switching apparatus has a base formed by a planar member which extends horizontally to support the enclosure on a support surface. The planar member is generally rectangular with an upturned flange along at least one edge and preferably along three edges, including the front edge and the adjoining side edges. At least one, and preferably a spaced pair of pry slots are provided in these three edges . The pry slots extend into the planar member and the flanges to provide leverage for pry bars. The flanges are stiffened by inwardly directed lips extending along their free edges. The enclosure includes a front section and a rear section with the planar member forming …
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 November 8, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 8, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 8, 2021.
- 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.