×

Refrigerator alarm

  • US 6,750,772 B2
  • Filed: 04/18/2001
  • Issued: 06/15/2004
  • Est. Priority Date: 04/18/2001
  • Status: Expired due to Fees
First Claim
Patent Images

1. A refrigerator alarm comprising a light sensor, a timer associated with said light sensor, a temperature sensor and an alarm indicator having an alarm body wherein said alarm includes a self-contained power source consisting of a battery.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×