US3395288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery guard system
Assignee: Vb Res & Dev
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Filing: 1964-05-19
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Granted: 1968-07-30
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Expires: 1984-05-19
Abstract
No abstract record available.
Inventors
- 👤 Brimer Joe W Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:12
CPC Classifications
H; H02; H02J; H02J9/00; H02J9/002; H02J7/00; H02J7/14; H02J7/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
IN A SYSTEM OF THE CHARACTER DESCRIBED, A STORAGE BATTERY, A LOAD CIRCUIT, A STARTER MOTOR, A FIRST RELAY HAVING A FIRST WINDING AND A FIRST SWITCH, A SECOND RELAY HAVING A SECOND WINDING AND A SECOND SWITCH, SAID FIRST SWITCH SERVING TO CONNECT SAID BATTERY TO SAID LOAD, SAID SECOND SWITCH SERVING TO CONNECT SAID BATTERY TO SAID STARTER MOTOR, SAID FIRST WINDING BEING CONNECTED ACROSS THE TERMINALS OF SAID BATTERY AND BEING SUFFICIENTLY ENERGIZED IN A CHARGED CONDITION OF SAID BATTERY TO CLOSE SAID FIRST SWITCH AND BEING SUFFICIENTLY DEENERGIZED IN A PARTIALLY DISCHARGED CONDITION OF SAID BATTERY TO ALLOW SAID FIRST SWITCH TO OPEN, A ZENER DIODE, A RESISTANCE, SAID SECOND WINDING BEING CONNECTED ACROSS THE TERMINALS OF SAID BATTERY THROUGH SAID ZENER DIODE AND SAID RESISTANCE, SAID SECOND SWITCH SERVING TO CONNECT SAID BATTERY TO SAID STARTER MOTOR, A MANUALLY OPERATED SWITCH, AND AN ENERGIZING CIRCUIT FOR SAID SECOND WINDING COMPRISING A SERIES CONNECTION OF SAID FIRST SWITCH WITH SAID MANUALLY OPERATED SWITCH.
Claim 2
Dependent Claim
167 words
IN A SYSTEM OF THE CHARACTER DESCRIBED, A STORAGE BATTERY, A LOAD CIRCUIT, A STARTER MOTOR, A FIRST RELAY HAVING A FIRST WINDING AND A FIRST SWITCH, A SECOND RELAY HAVING A SECOND WINDING AND A SECOND SWITCH, SAID FIRST SWITCH SERVING TO CONNECT SAID BATTERY TO SAID LOAD, SAID SECOND SWITCH SERVING TO CONNECT SAID BATTERY TO SAID STARTER MOTOR, SAID FIRST WINDING BEING CONNECTED ACROSS THE TERMINALS OF SAID BATTERY AND BEING SUFFICIENTLY ENERGIZED IN A CHARGED CONDITION OF SAID BATTERY TO CLOSE SAID FIRST SWITCH AND BEING SUFFICIENTLY DEENERGIZED IN A PARTIALLY DISCHARGED CONDITION OF SAID BATTERY TO ALLOW SAID FIRST SWITCH TO OPEN, A ZENER DIODE, A RESISTANCE, SAID SECOND WINDING BEING CONNECTED ACROSS THE TERMINALS OF SAID BATTERY THROUGH SAID ZENER DIODE AND SAID RESISTANCE, SAID SECOND SWITCH SERVING TO CONNECT SAID BATTERY TO SAID STARTER MOTOR, A MANUALLY OPERATED SWITCH, AND AN ENERGIZING CIRCUIT FOR SAID SECOND WINDING COMPRISING A SERIES CONNECTION OF SAID FIRST SWITCH WITH SAID MANUALLY OPERATED SWITCH.
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) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |