Arrangement for fastening a machine part to a foundation
CA 2078023 A1 · Owner: Zimmermann, Hans · Inventors: Zimmermann, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the arrangement for fastening a machine part on a foundation by using vertical anchor studs (5) a, multiplicity of vertical anchor tubes (2) are cast into the foundation (1) and these are connected to one another, at least in groups, by means of an auxiliary frame (8, 9, 10, 12; 28, 29, 30). Provided at the lower end of each anchor tube (2), there is a ring (3) whose inner diameter is greater than the outer diameter of the anchor stud (5) and whose outer diameter is greater than or at least equal to the outer diameter of the anchor tube (2). A space (6) with an essentially square outline is recessed in the foundation underneath this ring (3). Laid in this space with clearance there is a …
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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
- Filed September 11, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 11, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 11, 2014.
- 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.