Patent US3304529A successfully refreshed from Google Patents.
US3304529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistor for high voltage
Assignee: ABB Norden Holding AB
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Filing: 1965-03-02
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Granted: 1967-02-14
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Expires: 1985-03-02
Abstract
No abstract record available.
Inventors
- 👤 Forwald Haakon
- 👤 Savolainen Lauri
- 👤 Berg Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:41
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/04; H01H33/16; H01H33/165; H01C; H01C1/00; H01C1/16; H01C7/00; H01C7/10; H01C7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A HIGH VOLTAGE RESISTOR COMPRISING, IN COMBINATION: A PLURALITY OF COAXIAL SPIRALLY WOUND WINDINGS OF RESISTOR WIRE WOUND IN THE SAME DIRECTION, MEANS SUPPORTING SAID WINDINGS IN SPACED RELATION TO EACH OTHER, SAID RESISTOR WINDINGS HAVING INTERNAL WIRE END PORTIONS AND EXTERNAL WIRE END PORTIONS AT THE INTERIOR AND EXTERIOR OF THEIR SAID WINDINGS; FIRST ALTERNATE PAIRS OF ADJACENT RESISTOR WINDINGS HAVING THEIR SAID INTERNAL WIRE END PORTIONS ELECTRICALLY CONNECTED TO ONE ANOTHER, SECOND ALTERNATE PAIRS OF ADJACENT RESISTOR WINDINGS HAVING THEIR SAID EXTERNAL WIRE END PORTIONS ELECTRICALLY CONNECTED TO ONE ANOTHER; ALTERNATE ADJACENT PAIRS OF SAID RESISTOR WINDINGS BEING DISHED TOWARD AND AWAY FROM ONE ANOTHER, RESPECTIVELY, SAID SUPPORTING MEANS COMPRISING A PLURALITY OF RADIALLY TAPERING COAXIAL INSULATION DISCS EACH INTERPOSED BETWEEN AND FILLING THE SPACES BETWEEN RESPECTIVE ADJACENT WINDINGS OF SAID SPACED RESISTOR WINDINGS.
Claim 2
Dependent Claim
136 words
A HIGH VOLTAGE RESISTOR COMPRISING, IN COMBINATION: A PLURALITY OF COAXIAL SPIRALLY WOUND WINDINGS OF RESISTOR WIRE WOUND IN THE SAME DIRECTION, MEANS SUPPORTING SAID WINDINGS IN SPACED RELATION TO EACH OTHER, SAID RESISTOR WINDINGS HAVING INTERNAL WIRE END PORTIONS AND EXTERNAL WIRE END PORTIONS AT THE INTERIOR AND EXTERIOR OF THEIR SAID WINDINGS; FIRST ALTERNATE PAIRS OF ADJACENT RESISTOR WINDINGS HAVING THEIR SAID INTERNAL WIRE END PORTIONS ELECTRICALLY CONNECTED TO ONE ANOTHER, SECOND ALTERNATE PAIRS OF ADJACENT RESISTOR WINDINGS HAVING THEIR SAID EXTERNAL WIRE END PORTIONS ELECTRICALLY CONNECTED TO ONE ANOTHER; ALTERNATE ADJACENT PAIRS OF SAID RESISTOR WINDINGS BEING DISHED TOWARD AND AWAY FROM ONE ANOTHER, RESPECTIVELY, SAID SUPPORTING MEANS COMPRISING A PLURALITY OF RADIALLY TAPERING COAXIAL INSULATION DISCS EACH INTERPOSED BETWEEN AND FILLING THE SPACES BETWEEN RESPECTIVE ADJACENT WINDINGS OF SAID SPACED RESISTOR WINDINGS.
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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |