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US3074013A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for indicating short circuits

Assignee: Individual
•
Filing: 1958-09-23
•
Granted: 1963-01-15
•
Expires: 1978-09-23
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Abstract

No abstract record available.

Inventors

  • 👤 Roy N Bowden

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 20:37
CPC Classifications
B; B60; B60Q; B60Q11/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 159 words
A DEVICE FOR CONNECTION INTO THE MAIN LEAD OF A VEHICLE LIGHTING SYSTEM TO COMPLETE THE CIRCUIT BETWEEN A BATTERY AND THE VEHICLE LIGHT BULBS, SAID DEVICE COMPRIS ING A PAIR OF TERMINALS; A FIRST GROUP OF RESISTANCE ELEMENTS AT LEAST ONE OF WHICH IS AN INCANDESCENT LAMP FILAMENT, A SECOND GROUP OF RESISTANCE ELEMENTS; A SWITCH OPERABLE TO A FIRST POSITION AND TO A SECOND POSITION; A LEAD CONNECTING ONE SIDE OF EACH ELEMENT OF THE FIRST GROUP TO ONE OF SAID TERMINALS; A LEAD CONNECTING ONE SIDE OF EACH ELEMENT IN THE SECOND GROUP TO THE OTHER OF SAID TERMINALS; CIRCUIT ELEMENTS CONNECTING THE OTHER SIDE OF THE ELEMENTS OF THE FIRST GROUP TO THE SAID OTHER TERMINAL WHEN THE SWITCH IS IN THE FIRST POSITION; LEADS CONNECTING THE OTHER SIDE OF INDIVIDUAL ELEMENTS IN THE FIRST GROUP TO THE CORRESPONDING SIDE OF INDIVIDUAL ELEMENTS IN THE SECOND GROUP WHEN THE SWITCH IS IN THE SECOND POSITION.
Claim 2
Independent Claim 159 words
A DEVICE FOR CONNECTION INTO THE MAIN LEAD OF A VEHICLE LIGHTING SYSTEM TO COMPLETE THE CIRCUIT BETWEEN A BATTERY AND THE VEHICLE LIGHT BULBS, SAID DEVICE COMPRIS ING A PAIR OF TERMINALS; A FIRST GROUP OF RESISTANCE ELEMENTS AT LEAST ONE OF WHICH IS AN INCANDESCENT LAMP FILAMENT, A SECOND GROUP OF RESISTANCE ELEMENTS; A SWITCH OPERABLE TO A FIRST POSITION AND TO A SECOND POSITION; A LEAD CONNECTING ONE SIDE OF EACH ELEMENT OF THE FIRST GROUP TO ONE OF SAID TERMINALS; A LEAD CONNECTING ONE SIDE OF EACH ELEMENT IN THE SECOND GROUP TO THE OTHER OF SAID TERMINALS; CIRCUIT ELEMENTS CONNECTING THE OTHER SIDE OF THE ELEMENTS OF THE FIRST GROUP TO THE SAID OTHER TERMINAL WHEN THE SWITCH IS IN THE FIRST POSITION; LEADS CONNECTING THE OTHER SIDE OF INDIVIDUAL ELEMENTS IN THE FIRST GROUP TO THE CORRESPONDING SIDE OF INDIVIDUAL ELEMENTS IN THE SECOND GROUP WHEN THE SWITCH IS IN THE SECOND POSITION.

References Cited (Backward Citations)

US348155A Cited
US1143312A Cited
US1143313A Cited
US1262103A Cited
US1330571A Cited
US1603792A Cited
US1724014A Cited
US1760488A Cited
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US2179901A Cited
US2229927A Cited
US2447736A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-14 1966-07-16 1967-01-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-14 1970-07-16 1971-01-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-14 1974-07-16 1975-01-15 $7700.00 Window Closed / Lapsed

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