Collapsible microwave popcorn box
US6960748B2 · kind B2 · utility
12Cited by
86References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 9, 2003 |
| Grant date | Nov 1, 2005 |
| Priority date | — |
| Expiry date | Oct 28, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S99/14
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A collapsible cooking container formed from a generally, rectangularly shaped paperboard blank folded along crease lines so as to have a bottom portion, a first side portion, a top portion, and a second side portion wherein the top portion and the first side portion are adapted to be attached to form a cube having opposed, open sides. The opposed, open sides are substantially covered when the collapsible cooking container is in an expanded condition by segments provided to the bottom portion, first and second side portions, and top portion that cooperate to form first and second collapsible sides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.