US3280376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lightning arrester
Assignee: Dale Electronics Inc
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Filing: 1963-08-15
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Granted: 1966-10-18
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Expires: 1983-08-15
Abstract
No abstract record available.
Inventors
- 👤 Herman R Person
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:09
CPC Classifications
H; H01; H01T; H01T1/00; H01T1/02; H01T1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A LIGHTNING ARRESTER, A CONTAINER, AN ELECTRICAL CONDUCTOR EXTENDING INTO THE TOP OF SAID CONTAINER AND ADAPTED TO BE ELECTRICALLY CONNECTED TO AN ANTENNA, A CAPACITOR IN SAID CONTAINER OPERATIVELY ELECTRICALLY CONNECTED BY ONE END TO SAID ELECTRICAL CONDUCTOR AND HAVING ITS OTHER END ADAPTED FOR OPERATIVE CONNECTION TO THE INSTRUMENT OF AN AIRCRAFT, AN ELECTRODE ELECTRICALLY CONNECTED TO SAID ELECTRICAL CONDUCTOR ABOVE SAID CAPACITOR, SAID ELECTRODE HAVING A DOWNWARDLY EXTENDING HELICAL FLANGE, A COLLAR IN SAID CONTAINER EMBRACING IN SPACED RELATION SAID ELECTRODE, A COIL MEANS ADAPTED TO BE ELECTRICALLY CONNECTED TO SAID COLLAR AND ADAPTED TO BE CONNECTED TO GROUND SO THAT AN ELECTRICAL SPARK WHICH SPANS THE GAP BETWEEN THE UPPER PORTION OF SAID ELECTRODE AND SAID COLLAR WILL CAUSE AN ELECTRICAL CURRENT IN SAID COIL MEANS, WHEREUPON THE RESULTING MAGNETIC FLUX FROM THE ENERGIZED COIL WILL FORCE SAID SPARK DOWNWARDLY ON THE DOWNWARDLY EXTENDING HELICAL FLANGE.
Claim 2
Dependent Claim
151 words
IN A LIGHTNING ARRESTER, A CONTAINER, AN ELECTRICAL CONDUCTOR EXTENDING INTO THE TOP OF SAID CONTAINER AND ADAPTED TO BE ELECTRICALLY CONNECTED TO AN ANTENNA, A CAPACITOR IN SAID CONTAINER OPERATIVELY ELECTRICALLY CONNECTED BY ONE END TO SAID ELECTRICAL CONDUCTOR AND HAVING ITS OTHER END ADAPTED FOR OPERATIVE CONNECTION TO THE INSTRUMENT OF AN AIRCRAFT, AN ELECTRODE ELECTRICALLY CONNECTED TO SAID ELECTRICAL CONDUCTOR ABOVE SAID CAPACITOR, SAID ELECTRODE HAVING A DOWNWARDLY EXTENDING HELICAL FLANGE, A COLLAR IN SAID CONTAINER EMBRACING IN SPACED RELATION SAID ELECTRODE, A COIL MEANS ADAPTED TO BE ELECTRICALLY CONNECTED TO SAID COLLAR AND ADAPTED TO BE CONNECTED TO GROUND SO THAT AN ELECTRICAL SPARK WHICH SPANS THE GAP BETWEEN THE UPPER PORTION OF SAID ELECTRODE AND SAID COLLAR WILL CAUSE AN ELECTRICAL CURRENT IN SAID COIL MEANS, WHEREUPON THE RESULTING MAGNETIC FLUX FROM THE ENERGIZED COIL WILL FORCE SAID SPARK DOWNWARDLY ON THE DOWNWARDLY EXTENDING HELICAL FLANGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |