Patent · US Expired

Piggyback microwave container

US4978022A · kind A · utility

17Cited by
24References
22Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 16, 1990
Grant dateDec 18, 1990
Priority date
Expiry dateJan 16, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D2543/00796
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

A piggyback food container having a polymeric bowl forming a first food compartment and a removable cover thereover, a polymeric overcap on said bowl forming a central second food compartment and a peripheral wall, a breakaway juncture between this central compartment and the peripheral wall, enabling the wall to add volume capacity to the uncovered bowl.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.