Inner lid of a receptacle for instant-cooking foods
US4018355A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 15, 1975 |
| Grant date | Apr 19, 1977 |
| Priority date | — |
| Expiry date | Dec 15, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D81/3216
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A lid which has a bottom portion and an upwardly extending sidewall surrounding the bottom portion and which is to be removably fitted within the inside walls of a receptacle. The sidewall portion is formed with a plurality of longitudinal grooves, whereby when the lid is fitted into the receptacle, a passageway is created which connects the interior of the receptacle beneath said bottom portion with the exterior of said receptacle above said bottom portion. The lid may be made of heat-resistant plastic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.