Masking tape applicator
CA 2551827 C · Owner: 3M Innovative Properties Company · Inventors: Pitzen, James F.; Somers, Micah T.; Hallee, Nathaniel R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for applying tape from a roll of tape (e.g. masking tape) along a surface to be protected with an edge of the tape extending along a juncture between the surface to be protected and a surface to be treated disposed at about a right angle with respect to the surface to be protected. The device includes a two portion housing around and journaling the tape roll each , portion having a tape contacting part of its inner surface in a first plane and having in a second plane a guide part of its outer surface adapted to be slid along the surface to be treated. The first and second planes on each of the housing portions can be parallel or at a small angle with respect to each other …
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 December 16, 2004 and granted August 14, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 16, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.