Automatic continuous-type developing apparatus
CA 1306135 C · Owner: Durr Dental Gmbh & Co Kg · Inventors: Haag, Siegfried; Korn, Joachim
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abridgement, An automatic continuous-type developing apparatus has treatment chambers (100;130) sealed dynamically by pairs of rollers (64 to 70, 104 to 108) and sealing lips (86 88; 122, 124). Inserted between the latter and external tanks (30,34) surrounding them are flooding troughs (144 146), which in a, raised flooding position in the treatment chambers maintain a liquid level located above the conveying rollers on the other, hand in a lowered stand-by position clear the inlet and outlet gaps of the treatment chambers. (Figure 1).
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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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
- 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.