US3244934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle signal system with control of its light intensity
Assignee: Essex Wire Corp
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Filing: 1963-02-18
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Granted: 1966-04-05
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Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 George L Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:31
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/02; B60Q1/04; B60Q1/14; B60Q1/1407; Y; Y10; Y10S; Y10S315/00; Y10S315/03
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
156 words
THE IMPROVEMENT OF A DUAL INTENSITY ELECTRICAL SIGNALING SYSTEM COMPRISING AN ELECTRICAL POWER SOURCE; A SIGNALING CIRCUIT CONNECTED TO SAID POWER SOURCE; SAID SWITCHING CIRCUIT CONNECTED TO SAID POWER SOURCE; SAID SIGNALING CIRCUIT COMPRISING A LAMP HAVING A PAIR OF FILAMENTS, A FLASHING SIGNAL SWITCH, A FIRST CIRCUIT MEANS RESPONSIVE TO THE OPERATION OF SAID FLASHING SIGNAL SWITCH FOR CONNECTING SAID PAIR OF FILAMENTS IN PARALLEL TO SAID POWER SOURCE FOR PROVIDING A LAMP FLASHING SIGNAL OUTPUT AT A RELATIVELY HIGHER INTENSITY LEVEL, AND SECOND CIRCUIT MEANS RESPONSIVE TO THE OPERATION OF SAID SWITCHING CIRCUIT FOR CONNECTING SAID PAIR OF FILAMENTS IN SERIES TO SAID POWER SOURCE FOR PROVIDING A LAMP CONSTANT ILLUMINATING OUTPUT, SAID SECOND CIRCUIT MEANS ALSO SERVING UPON OPERATION OF SAID SWITCHING CIRCUIT TO INHIBIT THE ENERGIZATION OF ONE OF SAID PAIR OF FILAMENTS BY SAID FLASHING SIGNAL SWITCH TO THEREBY PROVIDE A LAMP FLASHING SIGNAL OUTPUT AT A RELATIVELY LOWER INTENSITY LEVEL.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |