Patent US1081810A successfully refreshed from Google Patents.
US3411069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitive volage transformer and current transformer combination unit
Assignee: Siemens AG
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Filing: 1966-07-01
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Granted: 1968-11-12
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 Kubler Alfred
- 👤 Jahn Hans
- 👤 Pilz Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:26
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/20; H01F38/22; H01F38/34; H01F38/36; H01G; H01G4/00; H01G4/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A SINGLE STRUCTURAL UNIT FOR AN ELECTRICAL POWER LINE, COMPRISING A FIRST SUBSTANTIALLY TUBULAR ELECTRICALLY INSULATING MEMBER, A SECOND SUBSTANTIALLY TUBULAR ELECTRICALLY INSULATING MEMBER POSITIONED INSIDE SAID FIRST INSULATING MEMBER AND RADIALLY SPACES THEREFROM, A FIRST HOUSING PORTION FLUID TIGHTLY AFFIXED TO ONE END OF SAID FIRST AND SECOND INSULATING MEMBERS, A SECOND HOUSING PORTION FLUID TIGHTLY AFFIXED TO THE OPPOSITE END OF SAID FIRST AND SECOND INSULATING MEMBERS, SAID FIRST AND SECOND INSULATING MEMBERS AND SAID FIRST AND SECOND HOUSING PORTIONS FORMING A SEALED OFF AREA BETWEEN SAID FIRST AND SECOND INSULATING MEMBERS, ELECTRICAL AND HEAT INSULATING MATERIAL IN SAID AREA, CURRENT TRANSFORMER TRANSMISSION MEANS POSITIONED IN SAID FIRST HOUSING PORTION AND CONNECTED TO SAID POWER LINE FOR DERIVING AN INDICATION OF THE CURRENT IN SAID POWER LINE AND TRANSMITTING SAID INDICATION VIA WIRELESS TRANSMISSION THROUGH SAID SECOND INSULATING MEMBER, AND CURRENT TRANSFORMER RECEIVER MEANS POSITIONED IN SAID SECOND HOUSING PORTION FOR RECEIVING SAID INDICATION VIA SAID WIRELESS TRANSMISSION AND PROVIDING AN OUTPUT IN ACCORDANCE WITH SAID INDICATION; AND
Claim 2
Dependent Claim
170 words
A SINGLE STRUCTURAL UNIT FOR AN ELECTRICAL POWER LINE, COMPRISING A FIRST SUBSTANTIALLY TUBULAR ELECTRICALLY INSULATING MEMBER, A SECOND SUBSTANTIALLY TUBULAR ELECTRICALLY INSULATING MEMBER POSITIONED INSIDE SAID FIRST INSULATING MEMBER AND RADIALLY SPACES THEREFROM, A FIRST HOUSING PORTION FLUID TIGHTLY AFFIXED TO ONE END OF SAID FIRST AND SECOND INSULATING MEMBERS, A SECOND HOUSING PORTION FLUID TIGHTLY AFFIXED TO THE OPPOSITE END OF SAID FIRST AND SECOND INSULATING MEMBERS, SAID FIRST AND SECOND INSULATING MEMBERS AND SAID FIRST AND SECOND HOUSING PORTIONS FORMING A SEALED OFF AREA BETWEEN SAID FIRST AND SECOND INSULATING MEMBERS, ELECTRICAL AND HEAT INSULATING MATERIAL IN SAID AREA, CURRENT TRANSFORMER TRANSMISSION MEANS POSITIONED IN SAID FIRST HOUSING PORTION AND CONNECTED TO SAID POWER LINE FOR DERIVING AN INDICATION OF THE CURRENT IN SAID POWER LINE AND TRANSMITTING SAID INDICATION VIA WIRELESS TRANSMISSION THROUGH SAID SECOND INSULATING MEMBER, AND CURRENT TRANSFORMER RECEIVER MEANS POSITIONED IN SAID SECOND HOUSING PORTION FOR RECEIVING SAID INDICATION VIA SAID WIRELESS TRANSMISSION AND PROVIDING AN OUTPUT IN ACCORDANCE WITH SAID INDICATION; AND
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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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |