Cartridge having removable nozzle
CA 1238023 A · Owner: Yu, Dong H. · Inventors: Yu, Dong H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cartridge for a caulking gun or the like comprises a, unitary plastic body having a tubular side wall and an end wall defining a cylindrical storage chamber and a discharge nipple projecting from the end wall. The discharge nipple has a side face extending longitudinally thereof in which a locking ridge is formed. A nozzle having a discharge cavity opening inwardly from one end thereof is also provided. A portion of the discharge cavity at one end of the nozzle forms a socket which is proportioned to receive the discharge nipple. The socket has an inner side wall in wich a mounting groove is formed adjacent said one end. The mounting groove is adapted to receive said locking ridge in a …
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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
- Granted June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
- 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.