US3425223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrothermal thruster
Assignee: Victor Equipment Co
•
Filing: 1967-03-07
•
Granted: 1969-02-04
•
Expires: 1987-03-07
Abstract
No abstract record available.
Inventors
- 👤 James A Browning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:48
CPC Classifications
F; F03; F03H; F03H1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A METHOD OF PRODUCING THRUST BY ELECTROTHERMAL MEANS COMPRISING, ESTABLISHING AN ELECTRIC ARC BETWEEN TWO ELECTRODES, PASSING A GAS THERETHROUGH UNDER LAMINAR FLOW CONDITIONS, HEATING SAID GAS SUBSTANTIALLY BEYOND THE POINT REQUIRED TO COMPLETELY DISSOCIATE SAID GAS, AND ALLOWING THE RESULTANT HEATED PARTICLES OF SAID DISSOCIATED GAS TO EXPAND AND ESCAPE IN A COHERENT FROZEN FLOW STREAM.
Claim 2
Independent Claim
57 words
A METHOD OF PRODUCING THRUST BY ELECTROTHERMAL MEANS COMPRISING, ESTABLISHING AN ELECTRIC ARC BETWEEN TWO ELECTRODES, PASSING A GAS THERETHROUGH UNDER LAMINAR FLOW CONDITIONS, HEATING SAID GAS SUBSTANTIALLY BEYOND THE POINT REQUIRED TO COMPLETELY DISSOCIATE SAID GAS, AND ALLOWING THE RESULTANT HEATED PARTICLES OF SAID DISSOCIATED GAS TO EXPAND AND ESCAPE IN A COHERENT FROZEN FLOW STREAM.
References Cited (Backward Citations)
US3027447A
Cited
US3304719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |