Patent · US Expired

Control system for appliance indicator light and method for using same

US5151884A · kind A · utility

25Cited by
6References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 1992
Grant dateSep 29, 1992
Priority date
Expiry dateMar 2, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47L2501/26
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A control system for an appliance indicator light includes a timer which times the amount of time the appliance door is open after completion of the operational cycle of the appliance. If the door is opened for more than a predetermined period of time, the indicator light will be deactuated, but if the door is opened for less than the predetermined period of time and then reclosed, the indicator light will be left in its on condition. The timer may be a series of cams attached to a motor, a bi-metal switch located adjacent the indicator light, or a microprocessor connected to and driving the indicator light.

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