Rigid insulated food tray
US5326021A · kind A · utility
44Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1993 |
| Grant date | Jul 5, 1994 |
| Priority date | — |
| Expiry date | Jan 28, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S229/939
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A composite material package in the configuration of a fluid confining tray or bowl is fabricated with a corrugated paperboard structural substrate and internally sealed with a blow mold applied film of polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.