Combination container and feeder
CA 1112526 A · Owner: Phillips Petroleum Company · Inventors: Smith, Ernest L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A container of the tubular side wall type has a bottom closure member and a top closure member. The side wall has a break line around a portion of the circumference thereof with an accurate scoreline extending between the opposite ends of the break line. When the container is to be used as a feeder the break line is broken and a panel portion defined by and between the score-, line and the break line is pushed inwardly to assume a concave shape. The panel portion is self-biased to the concave shape. A perch means is provided such that when it is desired to use the container as a feeder the perch can be, inserted through the side wall so that a portion of the perch …
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 November 17, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 1998.
- 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.