04292332 is referenced by 91 patents and cites 13 patents.

An expansible and disposable container for popping popcorn prepackaged with cooking oil therein in a microwave oven; such container being made of a material impervious to cooking oil and having its upper side provided with a pattern of weakness that serves as an excess vapor pressure release during the popping and which thereafter serves for convenient opening of the container so that the latter can be used as a serving tray.

Title
Container for prepackaging, popping and serving popcorn
Application Number
684719
Publication Number
4292332
Application Date
January 19, 1978
Publication Date
September 29, 1981
Inventor
David E McHam
16061 E. Kellogg, Wichita, 67230
KS, US
Agent
Robert E Breidenthal
IPC
B65D 65/28
B65D 81/34
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