Turntable
CA 2126701 C · Owner: Janisch, Klaus · Inventors: Janisch, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A top plate (12) with a padded cushion (18) is pivotably mounted on a bottom, plate (16). The padded cushion (18) is fixed in position on the top plate (12) by an integral rigid retaining ring (20), with inner beading (34) of the retaining ring (20) extending in a clamping fashion beneath outer beading (26) of the top, plate (12). An annular groove (22) close to the outer edge of the top plate (12) means that the remaining annular wall (24) with the marginal beading (26) is only connected to the top plate (12) via a thin bridge, said bridge constituting an articulation zone (28), so that, when the retaining ring (20) is lifted off, the annular wall (24) functions as a flexible tongue and …
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 June 24, 1994 and granted June 3, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 24, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 24, 2016.
- 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.