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US 4,047,165 AGranted
Emergency signal light
OwnerBetty Andreasson, Rebecca M. Andersoninventors
Life of this patent
Estimating the term…
Abstract
An emergency warning flashing battery operated signal light having a depressable switch and an automatic heat sensing switch.
Claims6
An emergency warning signal light comprising a base to which is attached a transluscent housing, an electrical energy source, a first flashing lamp electrically connected to the energy source through a depressable electrical switch, and a second flashing lamp electrically connected to the energy source through a heat-sensing switch;
- the combination providing a selective signaling and automatic warning system.
Dependencies are inferred from the claim text.