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US3333153A
Expired / Lapsed
US
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Over-voltage protection techniques
Assignee: Individual
•
Filing: 1966-07-07
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Granted: 1967-07-25
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Expires: 1986-07-07
Abstract
No abstract record available.
Inventors
- 👤 Wanaselja Oley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:30
CPC Classifications
H; H02; H02H; H02H9/00; H02H9/04; H01; H01T; H01T4/00; H01T4/08; H02H3/00; H02H3/20; H02H3/22; H02H9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
AN OVERVOLTAGE PROTECTION DISCHARGE DEVICE COMPRISING A GENERALLY TUBULAR, UNITARY CONDUCTIVE CASING CONSISTING ESSENTIALLY OF A METALLIC WALL, A FERRULE ATTACHED TO EACH END OF SAID CASING FOR SEALING SAID CASING, EACH FERRULE INCLUDING AN OUTER METALLIC SLEEVE, AN ANNULAR CERAMIC INSULATOR SEALED WITHIN SAID SLEEVE AND AN ELECTRODE EXTENDING THROUGH AND SEALED TO SAID INSULATOR WITH ITS INTERIOR END SPACED A PREDETERMINED AXIAL DISTANCE FROM THE OPPOSING ELECTRODE.
Claim 2
Dependent Claim
69 words
AN OVERVOLTAGE PROTECTION DISCHARGE DEVICE COMPRISING A GENERALLY TUBULAR, UNITARY CONDUCTIVE CASING CONSISTING ESSENTIALLY OF A METALLIC WALL, A FERRULE ATTACHED TO EACH END OF SAID CASING FOR SEALING SAID CASING, EACH FERRULE INCLUDING AN OUTER METALLIC SLEEVE, AN ANNULAR CERAMIC INSULATOR SEALED WITHIN SAID SLEEVE AND AN ELECTRODE EXTENDING THROUGH AND SEALED TO SAID INSULATOR WITH ITS INTERIOR END SPACED A PREDETERMINED AXIAL DISTANCE FROM THE OPPOSING ELECTRODE.
References Cited (Backward Citations)
US3289027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |