US3115603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitance measuring bridge utilizing voltage-sensitive capacitors for rebalancing the bridge
Assignee: Phillips Petroleum Co
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Filing: 1961-09-20
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Granted: 1963-12-24
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Expires: 1981-09-20
Abstract
No abstract record available.
Inventors
- 👤 Dale A Fluegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:22
CPC Classifications
G; G01; G01R; G01R17/00; G01R17/10; G01R17/105
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
ELECTRICAL MEASURING APPARATUS COMPRISING IN COMBINATION: (1) A BRIDGE NETWORK COMPRISING FIRST, SECOND, THIRD, AND FOURTH BRIDGE TERMINALS, A MEASURING CAPACITOR CONNECTED BETWEEN SAID FIRST AND SECOND BRIDGE TERMINALS, A REFERENCE CAPACITOR CONNECTED BETWEEN SAID SECOND AND THIRD BRIDGE TERMINALS, FIRST AND SECOND VOLTAGE-SENSISTIVE CAPACITORS CONNECTED IN SERIES IN BACK TO BACK RELATIONSHIP BETWEEN SAID FIRST AND FOURTH BRIDGE TERMINALS, THIRD AND FOURTH VOLTAGE-SENSITIVE CAPACITORS CONNECTED IN SERIES IN BACK TO BACK RELATIONSHIP BETWEEN SAID FOURTH AND THIRD BRIDGE TERMINALS;
References Cited (Backward Citations)
US2768347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |