US3204322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical surge bypass unit
Assignee: SPX Technologies Inc
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Filing: 1964-11-19
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Granted: 1965-09-07
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Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Elsie G Rees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:25
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/10; H01C7/105; H01C7/118; H01C17/00; H01C17/22; H01C17/26; H01C17/265; H01C17/267
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
THE METHOD OF MANUFACTURING A LIGHTNING ARRESTER COMPRISING THE STEPS OF, INTERPOSING BETWEEN TWO SPACED ELECTRODES A SEMI-CONDUCTOR ELEMENT IN CONTACT WITH BOTH SAID ELECTRODES AND FORMED OF AN ELCTRICALLY INSULATING BINDER CONTAINING A DISPERSION OF FREE CARBON PARTICLES, TREATING SAID SEMI-CONDUCTOR ELEMENT BY REPEATEDLY APPLYING AN ELCTRO-MOTIVE FORCE TO SAID TERMINALS HAVING A MAGNITUDE IN EXCESS OF THAT REQUIRED TO PRODUCE A DISCHARGE BETWEEN SAID TERMINALS AND ACROSS THE SURFACE OF SAID SEMI- CONDUCTOR ELEMENT, AND CONTINUING THE APPLICATION OF SAID ELECTROMOTIVE FORCE TO SAID TERMINALS UNTIL THE BREAKDOWN VOLTAGE BETWEEN SAID TERMINALS AND ACROSS SAID SEMI-CONDUCTOR ELEMENTS STABILIZES AT A PREDETERMINED VOLTAGE LESS THAN THE MINIMUM BREAKDOWN VOLTAGE PRIOR TEO SAID TRATING STEP.
Claim 2
Independent Claim
115 words
THE METHOD OF MANUFACTURING A LIGHTNING ARRESTER COMPRISING THE STEPS OF, INTERPOSING BETWEEN TWO SPACED ELECTRODES A SEMI-CONDUCTOR ELEMENT IN CONTACT WITH BOTH SAID ELECTRODES AND FORMED OF AN ELCTRICALLY INSULATING BINDER CONTAINING A DISPERSION OF FREE CARBON PARTICLES, TREATING SAID SEMI-CONDUCTOR ELEMENT BY REPEATEDLY APPLYING AN ELCTRO-MOTIVE FORCE TO SAID TERMINALS HAVING A MAGNITUDE IN EXCESS OF THAT REQUIRED TO PRODUCE A DISCHARGE BETWEEN SAID TERMINALS AND ACROSS THE SURFACE OF SAID SEMI- CONDUCTOR ELEMENT, AND CONTINUING THE APPLICATION OF SAID ELECTROMOTIVE FORCE TO SAID TERMINALS UNTIL THE BREAKDOWN VOLTAGE BETWEEN SAID TERMINALS AND ACROSS SAID SEMI-CONDUCTOR ELEMENTS STABILIZES AT A PREDETERMINED VOLTAGE LESS THAN THE MINIMUM BREAKDOWN VOLTAGE PRIOR TEO SAID TRATING STEP.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |