US3260893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic discharging system for aircraft
Assignee: Whittaker Corp
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Filing: 1964-01-06
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Granted: 1966-07-12
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Expires: 1984-01-06
Abstract
No abstract record available.
Inventors
- 👤 Cierva Juan De La
- 👤 Adolf A Perlmutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:05
CPC Classifications
H; H05; H05F; H05F3/00; B; B64; B64D; B64D45/00; B64D45/02; H05F3/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
AN AUTOMATIC ELECTROSTATIC DISCHARGING SYSTEM FOR AIRCRAFT COMPRISING SENSING MEANS FOR CONTINUOUSLY MEASURING WITH RESPECT TO THE AIRCRAFT FRAME THE POLARITY AND ELECTROSTATIC POTENTIAL OF THE ELECTROSTATIC FIELD IMMEDIATELY SURROUNDING THE AIRCRAFT AND PROVIDING AN ELECTRICAL OUTPUT SIGNAL WHICH IS A FUNCTION OF THE POTENTIAL DIFFERENCE BEING MEASURED, D.C. HIGH VOLTAGE GENERATOR MEANS ADAPTED TO DELIVER AN OUTPUT OF EACH POLARITY, PROBE DISCHARING MEANS SUPPORTED EXTERIORLY ON THE AIRCRAFT, ELECTRICALLY INSULATED THEREFROM, AND HAVING DISCHARGING PORTIONS REMOTELY LOCATED WITH RESPECT THERETO, SAID PROBE MEANS BEING COUPLED TO THE HIGH SIDE OF SAID HIGH VOLTAGE
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |