US3364384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed controlled signal system for depicting driver's action
Assignee: NORMAN H DANKERT
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Filing: 1966-05-06
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Granted: 1968-01-16
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Expires: 1986-05-06
Abstract
No abstract record available.
Inventors
- 👤 Norman H Dankert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:17
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/44; B60Q1/442; G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/0891; G01P15/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A CIRCUIT FOR CONTROLLING A SWITCH DEVICE RESPONSIVE TO A VARIABLE SPEED DRIVE MEANS COMPRISING: AN ELECTRIC GENERATING MEANS CONNECTING SAID DRIVE MEANS; A SWITCH DEVICE INCLUDING, A COIL FOR DEVELOPING A MAGNETIC FIELD, AND CONTACT MEANS OPERABLY RESPONSIVE TO SAID MAGNETIC FIELD OF SAID COIL; A CIRCUIT CONNECTING SAID COIL AND SAID ELECTRIC GENERATING MEANS INCLUDING, A CAPACITOR, A BY-PASS CIRCUIT BETWEEN SAID CAPACITOR AND SAID ELECTRIC GENERATING MEANS FOR PROVIDING A PATH FOR SAID CAPACITOR TO DISCHARGE, AN AMPLIFYING MEANS HAVING AN INPUT CIRCUIT CONNECTING SAID CAPACITOR FOR AMPLIFYING THE CHARGING SIGNAL ACROSS SAID CAPACITOR, A SECOND AMPLIFYING MEANS HAVING AN INPUT CIRCUIT CONNECTING SAID CAPACITOR FOR AMPLIFYING THE DISCHARGING SIGNAL ACROSS SAID CAPACITOR, SAID FIRST AMPLIFYING MEANS HAVING AN OUTPUT CIRCUIT CONNECTING SAID COIL FOR CURRENT FLOW THERETHROUGH IN ONE DIRECTION, AND SAID SECOND AMPLIFYING MEANS HAVING AN OUTPUT CIRCUIT CONNECTING SAID COIL FOR CURRENT FLOW THERETHROUGH IN THE OPPOSITE DIRECTION.
Claim 2
Dependent Claim
154 words
A CIRCUIT FOR CONTROLLING A SWITCH DEVICE RESPONSIVE TO A VARIABLE SPEED DRIVE MEANS COMPRISING: AN ELECTRIC GENERATING MEANS CONNECTING SAID DRIVE MEANS; A SWITCH DEVICE INCLUDING, A COIL FOR DEVELOPING A MAGNETIC FIELD, AND CONTACT MEANS OPERABLY RESPONSIVE TO SAID MAGNETIC FIELD OF SAID COIL; A CIRCUIT CONNECTING SAID COIL AND SAID ELECTRIC GENERATING MEANS INCLUDING, A CAPACITOR, A BY-PASS CIRCUIT BETWEEN SAID CAPACITOR AND SAID ELECTRIC GENERATING MEANS FOR PROVIDING A PATH FOR SAID CAPACITOR TO DISCHARGE, AN AMPLIFYING MEANS HAVING AN INPUT CIRCUIT CONNECTING SAID CAPACITOR FOR AMPLIFYING THE CHARGING SIGNAL ACROSS SAID CAPACITOR, A SECOND AMPLIFYING MEANS HAVING AN INPUT CIRCUIT CONNECTING SAID CAPACITOR FOR AMPLIFYING THE DISCHARGING SIGNAL ACROSS SAID CAPACITOR, SAID FIRST AMPLIFYING MEANS HAVING AN OUTPUT CIRCUIT CONNECTING SAID COIL FOR CURRENT FLOW THERETHROUGH IN ONE DIRECTION, AND SAID SECOND AMPLIFYING MEANS HAVING AN OUTPUT CIRCUIT CONNECTING SAID COIL FOR CURRENT FLOW THERETHROUGH IN THE OPPOSITE DIRECTION.
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |