Patent · US Expired

Cooking operation announcement means of microwave oven

US4339646A · kind A · utility

17Cited by
20References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1978
Grant dateJul 13, 1982
Priority date
Expiry dateDec 29, 1998

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B6/745
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A heating appliance comprises a generation circuit of a magnetron for effecting a series of cooking operations at least one of which requires manual cooking operation by an operator adapted to a foodstuff therein and an indicator for announcing to the operator that the manual cooking operation is to be conducted concerning the foodstuff.

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