Registering apparatus
CA 1181611 A · Owner: Svenska Forpackningsforskningsinstitutet · Inventors: Eriksson, Harald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for registering accelerations and retardations includes a basic structure (1,2) on which an inertial mass is suspended in spring means and adapted to guide a writing means (C) coacting with a web (80) of registering medium, which is arranged for running substantially transverse the direction of movement of the writing means (C). The spring means includes two spring elements of which the first is adapted to bias the mass towards a normal position (60) with a force attaining a fraction of the force the mass maximally exercises on the first spring element under the action of gravity, while the second spring element is adapted for starting to exercise an elastic deformation …
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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 January 29, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 2002.
- 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.