Patent · US Expired

Inner lid of a receptacle for instant-cooking foods

US4018355A · kind A · utility

72Cited by
4References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 15, 1975
Grant dateApr 19, 1977
Priority date
Expiry dateDec 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.