US3256461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic automobile alarm circuit
Assignee: Motorola Solutions Inc
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Filing: 1964-02-04
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Granted: 1966-06-14
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Expires: 1984-02-04
Abstract
No abstract record available.
Inventors
- 👤 Roland J Foreman
- 👤 Edward F Guzick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:44
CPC Classifications
B; B60; B60Q; B60Q9/00; B60Q9/001
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
146 words
AN AUTOMOBILE ELECTRICAL SYSTEM HAVING PROVISION FOR INDICATING WHEN THE IGNITION SWITCH IS OPEN AND THE LIGHT SWITCH IS CLOSED, AND HAVING FURTHER PROVISION FOR AN INTRUDER ALARM, SAID ELECTRICAL SYSTEM INCLUDING IN COMBINATION, AN IGNITION SYSTEM AND AN IGNITION SWITCH FOR CONNECTING THE SAME TO A SOURCE OF DIRECT CURRENT POTENTIAL, A FIRST LIGHT CIRCUIT AND A FIRST LIGHT SWITCH FOR CONNECTING THE SAME TO THE SOURCE OF POTENTIAL, A SECOND LIGHT CIRCUIT AND A SECOND LIGHT SWITCH FOR CONNECTING THE SAME TO THE SOURCE OF POTENTIAL, SAID SECOND LIGHT SWITCH BEING RESPONSIVE TO THE OPENING OF A DOOR OF THE AUTOMOBILE, FIRST AND SECOND TRANSISTORS EACH HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, A WARNING DEVICE CONNECTED TO SAID COLLECTOR ELECTRODES OF BOTH SAID FIRST AND SECOND TRANSISTORS TO BE ENERGIZED UPON CONDUCTION OF EITHER OF SAID TRANSISTORS, FIRST CONDUCTOR MEANS CONNECTING SAID EMITTER ELEC-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |