Flip top sealed carton
CA 1309697 C · Owner: Roccaforte, Harry I. · Inventors: Tiesman, Randy J.; Schillinger, Joseph F.; Roccaforte, Harry I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rectangular box carton according to the present invention has generally rectangular front bottom, back, cover, and closure panels. The front bottom, back, cover and closure, panels are consecutively joined at parallel fold lines and the closure panel is overlapped on and connected to said front panel to form a tube of generally rectangular cross section. Left and right endwalls close the ends of the tube. Each endwall has a first endwall flap attached to the bottom panel and covering substantially the entire tube cross section to form the innermost layer of each endwall; a second endwall flap attached to the cover panel and overlying the first endwall flap, said second endwall flap …
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 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 3, 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.