Patent US2743199A successfully refreshed from Google Patents.
Patent US3130945A successfully refreshed from Google Patents.
US3130945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ionocraft
Assignee: Electronatom Corp
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Filing: 1959-08-31
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Granted: 1964-04-28
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Expires: 1979-08-31
Abstract
No abstract record available.
Inventors
- 👤 Seversky Alexander P De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:47
CPC Classifications
F; F03; F03H; F03H1/00; F03H1/0037; F03H1/0043; B; B64; B64C; B64C23/00; B64C23/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN COMBINATION WITH FLYING APPARATUS COMPOSED OF A STRUCTURE SUPPORTING DISCHARGE ELECTRODES FOR CAUSING ADJACENT AIR MODULES TO BECOME ELECTRICALLY CHARGED SPACED FROM A GRID OF ELECTRICAL CONDUCTING MEANS FOR NEUTRALIZING THE CHARGE ON ELECTRICALLY CHARGED MOLECULES WHOSE CHARGE WAS CAUSED BY SAID DISCHARGE ELECTRODE AND MEANS FOR APPLYING A HIGH D.C. POTENTIAL BTWEEN SAID ELECTRODES AND SAID GRID TO CAUSE AIR TO MOVE FROM SAID ELECTRODES TOWARD SAID GRIDS TO PROVIDE A PROPULSION FORCE FOR SAID FLYING APPARATUS, AND ANTENNA MEANS FOR USE WITH RADIO FREQUENCY ENERGY SIGNALS, SAID ANTENNA COMPRISING A PLURALITY OF ELEMENTS WHICH SERVE ALSO AS PART OF SAID STRUCTURE FOR THE FLYING APPARATUS BY BEING CONNECTED ELECTRICALLY TO ONE TERMINAL OF SAID HIGH D.C. POTENTIAL TO ASSIST IN PROVIDING PROPULSION FORCE FOR SID APPARATUS.
Claim 2
Dependent Claim
129 words
IN COMBINATION WITH FLYING APPARATUS COMPOSED OF A STRUCTURE SUPPORTING DISCHARGE ELECTRODES FOR CAUSING ADJACENT AIR MODULES TO BECOME ELECTRICALLY CHARGED SPACED FROM A GRID OF ELECTRICAL CONDUCTING MEANS FOR NEUTRALIZING THE CHARGE ON ELECTRICALLY CHARGED MOLECULES WHOSE CHARGE WAS CAUSED BY SAID DISCHARGE ELECTRODE AND MEANS FOR APPLYING A HIGH D.C. POTENTIAL BTWEEN SAID ELECTRODES AND SAID GRID TO CAUSE AIR TO MOVE FROM SAID ELECTRODES TOWARD SAID GRIDS TO PROVIDE A PROPULSION FORCE FOR SAID FLYING APPARATUS, AND ANTENNA MEANS FOR USE WITH RADIO FREQUENCY ENERGY SIGNALS, SAID ANTENNA COMPRISING A PLURALITY OF ELEMENTS WHICH SERVE ALSO AS PART OF SAID STRUCTURE FOR THE FLYING APPARATUS BY BEING CONNECTED ELECTRICALLY TO ONE TERMINAL OF SAID HIGH D.C. POTENTIAL TO ASSIST IN PROVIDING PROPULSION FORCE FOR SID APPARATUS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |