US4047165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency signal light
Assignee: Individual
•
Filing: 1976-05-20
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Granted: 1977-09-06
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Expires: 1996-05-20
Abstract
Abstract An emergency warning flashing battery operated signal light having a depressable switch and an automatic heat sensing switch.
Inventors
- 👤 Betty Andreasson
- 👤 Rebecca M. Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:43
CPC Classifications
G; G08; G08B; G08B17/00; G08B17/06; G08B5/00; G08B5/22; G08B5/36; G08B5/38
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
59 words
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.
Claim 2
Dependent Claim
59 words
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.
Claim 3
Dependent Claim
13 words
A light as in claim 1 wherein the heat sensing switch is latchable.
Claim 4
Dependent Claim
15 words
A light as in claim 1 further comprising a magnetic mounting system for the base.
Claim 5
Dependent Claim
16 words
A light as in claim 1 further comprising an adhesive tape mounting system for the housing.
Claim 6
Dependent Claim
22 words
A light as in claim 1 further comprising a rotary device such as an electric motor to rotate the lamps when energized.
Claim 7
Dependent Claim
28 words
A light as in claim 1 further comprising a switch actuator extending through the top of the transluscent housing, the actuator depressable to the level of the top.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-09-05 | 1981-03-07 | 1981-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-05 | 1985-03-07 | 1985-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-05 | 1989-03-07 | 1989-09-06 | $7700.00 | Window Closed / Lapsed |