US3262017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Static overcurrent tripping device
Assignee: Allis Chalmers Corp
•
Filing: 1962-11-01
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Granted: 1966-07-19
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Expires: 1982-11-01
Abstract
No abstract record available.
Inventors
- 👤 Harry B Ashenden
- 👤 Charles P Goeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:37
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/08; H02H3/093; H02H3/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A CONTROL SYSTEM FOR A CIRCUIT BREAKER WHICH PROTECTS AN ELECTRICAL CIRCUIT, IN COMBINATION, MEANS FOR PROVIDING A SIGNAL IN RESPONSE TO AN OVERCURRENT IN SAID CIRCUIT TRIPPING MEANS ENERGIZABLE BY SAID SIGNAL TO TRIP SAID CIRCUIT BREAKER, AND STATIC RELAY MEANS ENERGIZED BY SAID SIGNAL AND RESPONSIVE THERETO TO CONTROL SAID TRIPPING MEANS, SAID STATIC RELAY MEANS COMPRISING CAPACITOR MEANS CHARGEABLE IN RESPONSE TO SAID SIGNAL AND BEING DISCHARGEABLE TO EFFECT ENERGIZATION OF SAID TRIPPING MEANS WHEN CHARGED TO A PREDETERMINED LEVEL, SAID STATIC RELAY MEANS FURTHER COMPRISING TRIGGER MEANS RESPONSIVE TO THE MAGNITUDE OF SAID SIGNAL TO CONTROL CHARGING AND DISCHARGING OF SAID CAPACITOR MEANS TO PREVENT SAID CAPACITOR MEANS
Claim 2
Dependent Claim
113 words
IN A CONTROL SYSTEM FOR A CIRCUIT BREAKER WHICH PROTECTS AN ELECTRICAL CIRCUIT, IN COMBINATION, MEANS FOR PROVIDING A SIGNAL IN RESPONSE TO AN OVERCURRENT IN SAID CIRCUIT TRIPPING MEANS ENERGIZABLE BY SAID SIGNAL TO TRIP SAID CIRCUIT BREAKER, AND STATIC RELAY MEANS ENERGIZED BY SAID SIGNAL AND RESPONSIVE THERETO TO CONTROL SAID TRIPPING MEANS, SAID STATIC RELAY MEANS COMPRISING CAPACITOR MEANS CHARGEABLE IN RESPONSE TO SAID SIGNAL AND BEING DISCHARGEABLE TO EFFECT ENERGIZATION OF SAID TRIPPING MEANS WHEN CHARGED TO A PREDETERMINED LEVEL, SAID STATIC RELAY MEANS FURTHER COMPRISING TRIGGER MEANS RESPONSIVE TO THE MAGNITUDE OF SAID SIGNAL TO CONTROL CHARGING AND DISCHARGING OF SAID CAPACITOR MEANS TO PREVENT SAID CAPACITOR MEANS
References Cited (Backward Citations)
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |