US3320482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightning arrester for high energy switching surges
Assignee: General Electric Co
•
Filing: 1964-06-02
•
Granted: 1967-05-16
•
Expires: 1984-06-02
Abstract
No abstract record available.
Inventors
- 👤 Eugene C Sakshaug
- 👤 Earl W Stetson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:47
CPC Classifications
H; H01; H01T; H01T1/00; H01T1/14; H01T1/02; H01T1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
IN A VALVE TYPE LIGHTNING ARRESTER HAVING AT LEAST ONE SPARK GAP IN SERIES WITH AT LEAST ONE NONLINEAR RESISTANCE VALVE MEANS, A CURRENT SWITCHING SPARK GAP CONNECTED IN SHUNT WITH A PORTION OF SAID VALVE MEANS.
Claim 2
Dependent Claim
37 words
IN A VALVE TYPE LIGHTNING ARRESTER HAVING AT LEAST ONE SPARK GAP IN SERIES WITH AT LEAST ONE NONLINEAR RESISTANCE VALVE MEANS, A CURRENT SWITCHING SPARK GAP CONNECTED IN SHUNT WITH A PORTION OF SAID VALVE MEANS.
References Cited (Backward Citations)
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US2664525A
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Cited
US3019367A
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Cited
US3259780A
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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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |