Protective cover provided with means for lighting
CA 2289366 A1 · Owner: Lin, Jung-Hua · Inventors: Lin, Jung-Hua
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A protective cover is designed for use with a machine tool and is formed of a housing which is provided with a space and a receiving compartment. A protective piece of a transparent material is disposed in the space of the housing. A battery mount is located in the receiving compartment. A switch is disposed at one end of the receiving compartment for regulating the power supply. Two light bulbs are disposed at other end of the housing. The housing is further provided with a fastening portion fastening the housing with the machine tool.
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 12, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 12, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 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.