Bowling pin positioning apparatus
CA 1069554 A · Owner: Patentverwertungs- Und Finanzierungsgesellschaft Serania Ag · Inventors: Schmid, August
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A frame is vertically movable the frame being arranged, to carry out a full stroke to pick up still standing bowling pins and a partial stroke to place pins on the surface of a bowling alley; to control the length of the stroke and provide, for soft stopping of the frame at the terminal end of its stroke, a stroke control and limit lever is selectively positionable in interfering relation with respect to the downward movement of the frame. The interference position of the control and limit lever is externally controllable for example, by a magnet, the lever being further connected to a hydraulic dashpot. When in interfering position, the frame upon its, downward stroke, impinges on the …
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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 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
- 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.