A reusable auto-spraying pot
CA 2508255 A1 · Owner: Huo, Zhi Xiong · Inventors: Huo, Zhi Xiong
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reusable auto-spraying pot includes a pot body a mist valve, a spraying , bead, a screw cap a big sealing ring, a locking screw, a content entrance a , conduit, a small sealing ring, a substrate and a vent, characterized in that , the content entrance is located in the pot body and the screw cap is fixed , inside the pot body the sealing ring can be pressed by the locking screw so as to seal the content entrance. The reusable auto-spraying pot has an advantage that it only adds a content entrance in contrast to the prior pot its structure is simple, and easy to operate. Furthermore the pot is re-, usable, and can be filled with variety of different amount of material as required, …
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 10, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 10, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 10, 2025.
- 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.