Patent US3417310A successfully refreshed from Google Patents.
US3417310A
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Oscillator-controlled indicator for battery charger system
Assignee: ZF International UK Ltd
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Filing: 1966-11-10
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Granted: 1968-12-17
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Expires: 1986-11-10
Abstract
No abstract record available.
Inventors
- 👤 Hill William Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:48
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/80; H02J7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A BATTERY CHARGING SYSTEM FOR USE IN A ROAD VEHICLE, COMPRISING IN COMBINATION A PAIR OF TERMINALS BETWEEN WHICH IN USE THE BATTERY OF A VEHICLE IS CONNECTED, A GENERATOR FOR PROVIDING POWER TO SAID PAIR OF TERMINALS, A WARNING LAMP CONNECTED IN SERIES WITH AN OSCILLATOR BETWEEN SAID PAIR OF TERMINALS, ANF MAGNETIC MEANS OPERATED BY THE OUTPUT CURRENT FROM THE GENERATOR FOR PREVENTING THE OSCILLATOR FROM OSCILLATING WHEN THE CURRENT FLOW FROM THE GENERATOR TO THE BATTERY REACHES A PREDETERMINED VALUE, THE ARRANGEMENT BEING SUCH THAT THE LAMP IS ILLUMINATED UNTIL PREDETERMINED VALUE OF CURRENT IS REACHED.
Claim 2
Dependent Claim
99 words
A BATTERY CHARGING SYSTEM FOR USE IN A ROAD VEHICLE, COMPRISING IN COMBINATION A PAIR OF TERMINALS BETWEEN WHICH IN USE THE BATTERY OF A VEHICLE IS CONNECTED, A GENERATOR FOR PROVIDING POWER TO SAID PAIR OF TERMINALS, A WARNING LAMP CONNECTED IN SERIES WITH AN OSCILLATOR BETWEEN SAID PAIR OF TERMINALS, ANF MAGNETIC MEANS OPERATED BY THE OUTPUT CURRENT FROM THE GENERATOR FOR PREVENTING THE OSCILLATOR FROM OSCILLATING WHEN THE CURRENT FLOW FROM THE GENERATOR TO THE BATTERY REACHES A PREDETERMINED VALUE, THE ARRANGEMENT BEING SUCH THAT THE LAMP IS ILLUMINATED UNTIL PREDETERMINED VALUE OF CURRENT IS REACHED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |