Patent US3340503A successfully refreshed from Google Patents.
US3340503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle emergency warning system
Assignee: Individual
•
Filing: 1966-09-21
•
Granted: 1967-09-05
•
Expires: 1986-09-21
Abstract
No abstract record available.
Inventors
- 👤 Janet J Johnston
- 👤 Henry H Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:28
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
VEHICLE EMERGENCY WARNING SYSTEM ADAPTED TO BE INSTALLED ON VEHICLES HAVING A STORAGE BATTERY, HAVING A FIRST PAIR OF TURN INDICATOR LIGHTS ON ONE SIDE OF THE VEHICLE PERMANENTLY CONNECTED BY A FIRST CONDUCTOR, HAVING A SECOND PAIR OF TURN INDICATOR LIGHTS ON THE OTHER SIDE OF THE VEHICLE PERMANENTLY CONNECTED BY A SECOND CONDUCTOR, AND MEANS FOR OPERATING SAID TURN SIGNALS FOR DIRECTIONAL PURPOSES, SAID EMERGENCY WARNING SYSTEM COMPRISING IN ADDITION TO THE EXISTING EQUIPMENT ON THE VEHICLE: (A) A CIRCUIT INTERRUPTER EFFECTIVE TO INTERRUPT A CIRCUIT PERIODICALLY; (B) A CONDUCTOR FOR CONNECTING SAID CIRCUIT INTERRUPTER TO SAID STORAGE BATTERY; (C) A MANUAL SWITCH; (D) A CONDUCTOR FOR CONNECTING SAID CIRCUIT INTERRUPTER TO SAID MANUAL SWITCH; (E) CONDUCTOR MEANS FOR CONNECTING SAID MANUAL SWITCH TO SAID FIRST AND SECOND CONDUCTORS, SAID MANUAL SWITCH BEING OPERABLE TO CONNECT SAID INTERRUPTER TO SAID CONDUCTOR MEANS, WHEREBY WHEN
Claim 2
Dependent Claim
146 words
VEHICLE EMERGENCY WARNING SYSTEM ADAPTED TO BE INSTALLED ON VEHICLES HAVING A STORAGE BATTERY, HAVING A FIRST PAIR OF TURN INDICATOR LIGHTS ON ONE SIDE OF THE VEHICLE PERMANENTLY CONNECTED BY A FIRST CONDUCTOR, HAVING A SECOND PAIR OF TURN INDICATOR LIGHTS ON THE OTHER SIDE OF THE VEHICLE PERMANENTLY CONNECTED BY A SECOND CONDUCTOR, AND MEANS FOR OPERATING SAID TURN SIGNALS FOR DIRECTIONAL PURPOSES, SAID EMERGENCY WARNING SYSTEM COMPRISING IN ADDITION TO THE EXISTING EQUIPMENT ON THE VEHICLE: (A) A CIRCUIT INTERRUPTER EFFECTIVE TO INTERRUPT A CIRCUIT PERIODICALLY; (B) A CONDUCTOR FOR CONNECTING SAID CIRCUIT INTERRUPTER TO SAID STORAGE BATTERY; (C) A MANUAL SWITCH; (D) A CONDUCTOR FOR CONNECTING SAID CIRCUIT INTERRUPTER TO SAID MANUAL SWITCH; (E) CONDUCTOR MEANS FOR CONNECTING SAID MANUAL SWITCH TO SAID FIRST AND SECOND CONDUCTORS, SAID MANUAL SWITCH BEING OPERABLE TO CONNECT SAID INTERRUPTER TO SAID CONDUCTOR MEANS, WHEREBY WHEN
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |