US3109158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic signaling system for motor vehicles
Assignee: Individual
•
Filing: 1961-04-24
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Granted: 1963-10-29
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Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Robert S Coombs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:47
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/2603; B60Q1/44; B60Q1/444
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN A MOTOR VEHICLE HAVING AN ENGINE, AN ACCELERATOR MEANS THEREFOR, AND AN OIL-PRESSURE PUMP OPERABLE FOR PUMPING OIL WHEN THE ENGINE RUNNING, THE COMBINATION THEREWITH OF AN AUTOMATICALLY OPERABLE SIGNALING SYSTEM, INCLUDING AN ELECTRICAL CIRCUIT HAVING AN OIL-PRESSURE SWITCH THEREIN MAINTAINED OPEN WHEN THE ENGINE IS NOT RUNNING, MEANS TO CLOSE SAID OIL-PRESSURE SWITCH BY THE PRESSURE OF THE OIL PUMP, A VISUAL CAUTION SIGNAL AND A VISUAL ACCELERATION SIGNAL IN SAID CIRCUIT; A FIRST SIGNAL SWITCH IN THE CIRCUIT TO THE CAUTION SIGNAL AND MAINTAINED CLOSED BY THE ACCELERATOR WHEREBY SAID CAUTION SIGNAL IS ENERGIZED IMMEDIATELY UPON CLOSING OF THE OIL PRESSURE
Claim 2
Dependent Claim
104 words
IN A MOTOR VEHICLE HAVING AN ENGINE, AN ACCELERATOR MEANS THEREFOR, AND AN OIL-PRESSURE PUMP OPERABLE FOR PUMPING OIL WHEN THE ENGINE RUNNING, THE COMBINATION THEREWITH OF AN AUTOMATICALLY OPERABLE SIGNALING SYSTEM, INCLUDING AN ELECTRICAL CIRCUIT HAVING AN OIL-PRESSURE SWITCH THEREIN MAINTAINED OPEN WHEN THE ENGINE IS NOT RUNNING, MEANS TO CLOSE SAID OIL-PRESSURE SWITCH BY THE PRESSURE OF THE OIL PUMP, A VISUAL CAUTION SIGNAL AND A VISUAL ACCELERATION SIGNAL IN SAID CIRCUIT; A FIRST SIGNAL SWITCH IN THE CIRCUIT TO THE CAUTION SIGNAL AND MAINTAINED CLOSED BY THE ACCELERATOR WHEREBY SAID CAUTION SIGNAL IS ENERGIZED IMMEDIATELY UPON CLOSING OF THE OIL PRESSURE
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |