Drum extender apparatus for melting and dispensing hot melts
CA 1302075 C · Owner: Epp, Edward Hugo · Inventors: Dupray, Joseph Wilbur Jr.; Epp, Edward Hugo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved melting and dispensing apparatus is provided. The apparatus includes an annular drug extender flange which permits the apparatus to be utilized with drums of hot melt or moisture-curable hot melt materials which are completely filled.
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 June 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 2009.
- 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.