Wine cask restraining accessory
CA 1319919 C · Owner: Mcdonald, William John · Inventors: Mcdonald, William John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wine cask accessory comprising a shaped plate (1) having a pair of depending leg portions (2,3) disposed on either side of the shaped opening (4) having an inner most portion (5) which is shaped to receive the most common sizes of wine cask valve (V), said leg portions (2,3) on said opening (4) being mentioned such that said leg portions project below the bottom of the wine cask (C) when the opening portion (5) is engaged with the valve (V) of the wine cask. The plate (1) may be formed with a crown sealed bottle opener (15,16) a twist-off bottle cap opener (20,21,22) a can opener, (12,13) a screw-top cap opener (23,24) a cork-screw (23,24), and a plastic bottle cap remover (27,28).
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
- Granted July 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 6, 2010.
- 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.