Dispenser for delivering pasty compounds
CA 2040561 A1 · Owner: Von Schuckmann, Alfred · Inventors: Von Schuckmann, Alfred; Von Schuckmann, Alfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
22, Dispenser for delivering pasty compounds Abstract, A dispenser (Sp) for delivering a pasty compound e.g. toothpaste, (1) comprises a cartridge (K) in the form of a shell, which cartridge is arranged in a housing (2) and contains the compound (1), to which cartridge shell (4) there is assigned at the end (b) opposite its mouthpiece opening (3) a cutting blade (17) that dissects the cartridge wall in accordance with the evacuation of the compound and, is characterized by a dissecting overrunning of the abutment (16) of the housing (2), which abutment supports a cartridge plunger (11). The cartridge shell (4) can be displaced axially against the cutting blades (17) by actuating from the …
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 April 16, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 16, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 16, 2013.
- 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.