US3239631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightning arrester separator
Assignee: HK Porter Co Inc
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Filing: 1964-09-29
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Granted: 1966-03-08
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Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jr James H Snell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:37
CPC Classifications
H; H01; H01T; H01T1/00; H01T1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
AN ELECTRICAL CIRCUIT INTERRUPTING DEVICE FOR SERIES CONNECTION WITH A LIGHTNING ARRESTER EFFECTIVE TO PERMANENTLY DISCONNECT THE LIGHTNING ARRESTER FROM ITS GROUNDING CIRCUIT IN THE PRESENCE OF PERSISTENT POWER LINE FOLLOW CURRENT THERETHROUGH, COMPRISING IN COMBINATION, AN INSULATING HOUSING, SPACED UPPER AND LOWER ELECTRODES MOUNTED IN A WELL WITHIN SAID HOUSING AND DEFINING AN AIR GAP THEREBETWEEN, SAID UPPER ELECTRODES BEING ELECTRICALLY CONNECTABLE TO THE LIGHTNING ARRESTER, SAID LOWER ELECTRODE HAVING A PASSAGE EXTENDING VERTICALLY THERETHROUGH, AN ELECTRICALLY CONDUCTIVE CARRIER MEMBER FOR SAID LOWER ELECTRODE, SAID CARRIER MEMBER HAVING A VERTICALLY EXTENDING SOCKET IN WHICH SAID LOWER ELECTRODE IS CLOSELY FITTINGLY DISPOSED IN VERTICALLY SPACED COAXIAL ALINEMENT WITH SAID UPPER ELECTRODE AND WITH ITS BOTTOM END SPACED FROM THE BOTTOM OF SAID SOCKET, SAID CARRIER MEMBER INCLUDING MEANS FOR ELECTRICALLY SECURING A GROUND LINE THERETO, AN EXPLOSIVE CHARGE POSITIONED WITHIN THE PASSAGE OF SAID LOWER ELECTRODE TO CLOSE THE TOP END THEREOF AND PROVIDE A CONFINED EXPLOSIVE CHAMBER BETWEEN SAID CHARGE AND THE BOTTOM OF SAID SOCKET, A RESISTOR MEMBER DISPOSED BETWEEN SAID UPPER AND LOWER ELECTRODES AND PROVIDING AN ELECTRICAL BY-PASS TO SAID AIR GAP THEREBETWEEN AT ELEC-
Claim 2
Dependent Claim
189 words
AN ELECTRICAL CIRCUIT INTERRUPTING DEVICE FOR SERIES CONNECTION WITH A LIGHTNING ARRESTER EFFECTIVE TO PERMANENTLY DISCONNECT THE LIGHTNING ARRESTER FROM ITS GROUNDING CIRCUIT IN THE PRESENCE OF PERSISTENT POWER LINE FOLLOW CURRENT THERETHROUGH, COMPRISING IN COMBINATION, AN INSULATING HOUSING, SPACED UPPER AND LOWER ELECTRODES MOUNTED IN A WELL WITHIN SAID HOUSING AND DEFINING AN AIR GAP THEREBETWEEN, SAID UPPER ELECTRODES BEING ELECTRICALLY CONNECTABLE TO THE LIGHTNING ARRESTER, SAID LOWER ELECTRODE HAVING A PASSAGE EXTENDING VERTICALLY THERETHROUGH, AN ELECTRICALLY CONDUCTIVE CARRIER MEMBER FOR SAID LOWER ELECTRODE, SAID CARRIER MEMBER HAVING A VERTICALLY EXTENDING SOCKET IN WHICH SAID LOWER ELECTRODE IS CLOSELY FITTINGLY DISPOSED IN VERTICALLY SPACED COAXIAL ALINEMENT WITH SAID UPPER ELECTRODE AND WITH ITS BOTTOM END SPACED FROM THE BOTTOM OF SAID SOCKET, SAID CARRIER MEMBER INCLUDING MEANS FOR ELECTRICALLY SECURING A GROUND LINE THERETO, AN EXPLOSIVE CHARGE POSITIONED WITHIN THE PASSAGE OF SAID LOWER ELECTRODE TO CLOSE THE TOP END THEREOF AND PROVIDE A CONFINED EXPLOSIVE CHAMBER BETWEEN SAID CHARGE AND THE BOTTOM OF SAID SOCKET, A RESISTOR MEMBER DISPOSED BETWEEN SAID UPPER AND LOWER ELECTRODES AND PROVIDING AN ELECTRICAL BY-PASS TO SAID AIR GAP THEREBETWEEN AT ELEC-
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |