Applicator tip assembly for a pen-like instrument
CA 1232573 A · Owner: Minnesota Mining And Manufacturing Company · Inventors: Kirchhoff, Kenneth J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An applicator tip assembly including a body adapted to be secured to a fluid filled housing and having a through opening through which the fluid is dispensed and an applicator member positioned within the through opening and normally biased by a coil spring into sealing engagement against walls of the body defining an outlet for the through opening. The through opening in the body is partially defined by longitudinally extending radially inwardly projecting spaced fins, and the coil spring has a compressible portion between and guided for longitudinal movement by the fins adjacent the applicator member and an, anchor portion at the end of the compressible portion opposite the applicator …
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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 February 9, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 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.