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US3286467A Expired / Lapsed US ⏱️ 0.0 years remaining

Plural needle electrode electrostatic thrust device

Assignee: Individual
•
Filing: 1965-01-19
•
Granted: 1966-11-22
•
Expires: 1985-01-19
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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)

US3116433A Cited
US3122822A Cited
US3052088A Cited
US3157988A Cited

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

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