Patent US4843337A successfully refreshed from Google Patents.
US4843337A
Expired / Lapsed
US
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Driveway safety light
Assignee: Individual
•
Filing: 1987-11-02
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Granted: 1989-06-27
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Expires: 2007-11-02
Abstract
Abstract A driveway safety light system is provided and consists of a transmitter within a motor vehicle to activate a lamp connected to a receiver at a corner on end of a driveway so as to indicate to anyone driving down a road that the motor vehicle is about to exit from the driveway.
Inventors
- 👤 Roy S. Conn, Jr.
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:08
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/07; G08G1/087
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
99 words
A driveway safety light system which comprises: (a) a transmitter located within a first motor vehicle on a driveway, said transmitter activated by means within the first motor vehicle responsive to ignition operation; (b) a lamp positioned at a corner end of the driveway; and (c) a receiver located within said lamp, said receiver activated by a signal from said transmitter, to illuminate said lamp so as to indicate a warning to anyone driving in a second motor vehicle down a road, which communicates with the driveway, that the first motor vehicle is about to exit from the driveway.
Claim 2
Dependent Claim
99 words
A driveway safety light system which comprises: (a) a transmitter located within a first motor vehicle on a driveway, said transmitter activated by means within the first motor vehicle responsive to ignition operation; (b) a lamp positioned at a corner end of the driveway; and (c) a receiver located within said lamp, said receiver activated by a signal from said transmitter, to illuminate said lamp so as to indicate a warning to anyone driving in a second motor vehicle down a road, which communicates with the driveway, that the first motor vehicle is about to exit from the driveway.
Claim 3
Dependent Claim
50 words
A system as recited in claim 1, wherein said means further comprise a time delay switch mounted on a steering column electrically connected with a power source and said transmitter whereby said time delay switch is activated by ignition switch operation to operate said transmitter for fa predetermined time interval.
Claim 4
Dependent Claim
24 words
A system as in claim 2 including a timing means for operating said switch at specific time intervals actuated simultaneously by said ignition key.
Claim 5
Dependent Claim
47 words
A driveway safety light system as recited in claim 3 further comprising a timer switch mounted with said lamp which is electrically connected to the power source, said receiver and said lamp, so that said timer switch will turn off said lamp at a predetermined time interval.
Claim 6
Dependent Claim
85 words
A driveway safety light system as recited in claim 3 wherein said timing means further comprises: (a) a cam having a cut out area; (b) a normally opened spring biased switch member closed by said cam to activate said transmitter when the ignition switch is turned on; and (c) a motor electrically connected to said switch member whereby said motor operates said cam until the cut out area reaches said switch member thus turning off said motor until the ignition switch is turned on again.
References Cited (Backward Citations)
US3530432A
Cited
US4017825A
Cited
US4115757A
Cited
US4135144A
Cited
US4443783A
Cited
US4736186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-26 | 1992-12-26 | 1993-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-26 | 1996-12-26 | 1997-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-26 | 2000-12-26 | 2001-06-27 | $7700.00 | Window Closed / Lapsed |