Patent US3154718A successfully refreshed from Google Patents.
US3154718A
Expired / Lapsed
US
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Secondary lightning arrester with arc spinning means
Assignee: Joslyn Manufacturing and Supply Co
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Filing: 1962-03-16
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Granted: 1964-10-27
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Expires: 1982-03-16
Abstract
No abstract record available.
Inventors
- 👤 Edward H Yonkers
- 👤 Ronald F Huber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:03
CPC Classifications
H; H01; H01T; H01T1/00; H01T1/02; H01T1/04; H01T1/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
67 words
A LIGHTNING ARRESTER COMPRISING A HOUSING, VALVE MATERIAL IN SAID HOUSING; A FIRST ELECTRODE OF INVERTED CUP SHAPE HAVING ITS EXTERIOR IN ENGAGEMENT WITH SAID VALVE MATERIAL; A SECOND ELECTRODE CONCENTRICALLY SPACED WITHIN SAID FIRST ELECTRODE TO FORM AN ANNULAR SPARK GAP THEREWITH; MEANS CONNECTING SAID SECOND ELECTRODE, FIRST ELECTRODE, AND VALVE MATERIAL IN AN ELECTRICAL CIRCUIT; AND MEANS PRODUCING AN AXIAL MAGNETIC FIELD THROUGH SAID GAP.
References Cited (Backward Citations)
US2003954A
Cited
US2422324A
Cited
US2661439A
Cited
US2628322A
Cited
US2882433A
Cited
US2963614A
Cited
US2896116A
Cited
US2906922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |