US3286467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural needle electrode electrostatic thrust device
Assignee: Individual
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Filing: 1965-01-19
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Granted: 1966-11-22
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Expires: 1985-01-19
Abstract
No abstract record available.
Inventors
- 👤 Robert E Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:32
CPC Classifications
F; F03; F03H; F03H1/00; F03H1/0037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN ELECTROSTATIC THRUST DEVICE, COMPRISING: A PLURALITY OF UNIFORMLY SPACED CAPILLARY APERTURE ELECTRODES; MEANS FOR PROVIDING A FLOW OF PROPELLENT FLUID MATERIAL THROUGH SAID ELECTRODES; MEANS FOR MOUNTING SAID ELECTRODES FOR DIRECTING STREAMS OF PROPELLANT INTO THE AMBIENT; MEANS FOR CONNECTING CERTAIN OF SAID ELECTRODES AT A HIGH POSITIVE POTENTIAL; MEANS FOR CONNECTING THE REMAINDER OF SAID ELECTRODES AT A HIGH NEGATIVE POTENTIAL; SAID ELECTRODES AT A HIGH POSITIVE POTENTIAL BEING INTERSPERSED BETWEEN AND ADJACENT SAID ELECTRODES AT A HIGH NEGATIVE POTENTIAL WITH EACH ELECTRODE BEING AT AN OPPOSITE ELECTRICAL POLARITY WITH EACH ELECTRODE BEING AT AN OPPOSITE ELECTRODES, SAID ELECTRODES BEING LOCATED IN PREDETERMINED POSITIONS FOR ELECTRICALLY ACCELERATING SAID STREAMS OF PROPELLANT SOLELY THROUGH THE INTERACTION OF THE ELECTRIC FIELDS BETWEEN SAID ELECTRODES FOR PRODUCING AN ELECTRICALLY NEUTRALIZED FLOW OF HIGH VELOCITY PARTICLES INTO THE AMBIENT.
Claim 2
Dependent Claim
137 words
AN ELECTROSTATIC THRUST DEVICE, COMPRISING: A PLURALITY OF UNIFORMLY SPACED CAPILLARY APERTURE ELECTRODES; MEANS FOR PROVIDING A FLOW OF PROPELLENT FLUID MATERIAL THROUGH SAID ELECTRODES; MEANS FOR MOUNTING SAID ELECTRODES FOR DIRECTING STREAMS OF PROPELLANT INTO THE AMBIENT; MEANS FOR CONNECTING CERTAIN OF SAID ELECTRODES AT A HIGH POSITIVE POTENTIAL; MEANS FOR CONNECTING THE REMAINDER OF SAID ELECTRODES AT A HIGH NEGATIVE POTENTIAL; SAID ELECTRODES AT A HIGH POSITIVE POTENTIAL BEING INTERSPERSED BETWEEN AND ADJACENT SAID ELECTRODES AT A HIGH NEGATIVE POTENTIAL WITH EACH ELECTRODE BEING AT AN OPPOSITE ELECTRICAL POLARITY WITH EACH ELECTRODE BEING AT AN OPPOSITE ELECTRODES, SAID ELECTRODES BEING LOCATED IN PREDETERMINED POSITIONS FOR ELECTRICALLY ACCELERATING SAID STREAMS OF PROPELLANT SOLELY THROUGH THE INTERACTION OF THE ELECTRIC FIELDS BETWEEN SAID ELECTRODES FOR PRODUCING AN ELECTRICALLY NEUTRALIZED FLOW OF HIGH VELOCITY PARTICLES INTO THE AMBIENT.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |