Bumpering device for bowling lanes
CA 2098164 A1 · Owner: Greiner, Brian D. · Inventors: Greiner, Brian D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a new and improved bumpering system for guarding the channels (gutters) of a conventional bowling lane. The bowling lane is of the type having a longitudinal bowling lane bed a pair of, elongated channels parallel to and abutting each side of the bowling lane bed, an approach and foul line at one end of the bowling lane bed and a pin deck at the other end thereof. The bumpering device comprises deflection means permanently mounted within the channel the deflection, means having associated therewith extension and retraction means for extending the deflection means to an upright position thereby abutting the bowling lane bed for deflecting bowling balls that may …
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 10, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 10, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 10, 2015.
- 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.