← Back to Patent Explorer
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
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

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 03:33
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)

US2843835A Cited
US2790156A Cited
US3002127A Cited
US3235837A Cited
US3185961A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag