Liquid-proof enclosure of electrical device
CA 2353330 A1 · Owner: Cheng, Ching Chi · Inventors: Cheng, Ching Chi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid-proof enclosure includes first and second casing members engaging each other to define an interior space for receiving retaining and, protecting an electrical device. Each casing member has a mating flange engaging each other to encase the electrical device. A rib is formed along the mating flange of the first casing member and a corresponding slot is defined along the mating flange of the second casing member for receiving and engaging the rib thereby attaching the first arid second casing members together and increasing length of a possible leakage path between the first and second casing members. An opening is defined between the first and second casing members. At least a …
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 July 20, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 20, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 20, 2023.
- 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.