US3304719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for heating and accelerating gas
Assignee: Giannini Scientific Corp
•
Filing: 1964-07-28
•
Granted: 1967-02-21
•
Expires: 1984-07-28
Abstract
No abstract record available.
Inventors
- 👤 Adriano C Ducati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:08
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; B; B64; B64G; B64G1/00; B64G1/22; B64G1/40; B64G1/411; B64G1/415
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD OF EFFECTING PROPULSION OF A SPACE VEHICLE, WHICH COMPRISES: PROVIDING ON A SPACE VEHICLE AN ELECTRODE HAVING AN ARCING PORTION ADAPTED TO SUSTAIN A HIGH-CURRENT ELECTRIC ARC, DISCHARGING IN CONTACT WITH SAID ARCING PORTION AND INTO THE AMBIENT SPACE A GAS HAVING A PRESSURE, WHEN PASSING IN CONTACT WITH SAID ARCING PORTION, WHICH IS ONLY A SMALL FRACTION OF ATMOSPHERIC, AND MAINTAINING A HIGH-CURRENT ELECTRIC ARC TO SAID ARCING PORTION AND THEREBY EFFECTING HEATING OF SAID GAS PRIOR TO DISCHARGE THEREOF FROM SAID SPACE VEHICLE.
Claim 2
Independent Claim
87 words
A METHOD OF EFFECTING PROPULSION OF A SPACE VEHICLE, WHICH COMPRISES: PROVIDING ON A SPACE VEHICLE AN ELECTRODE HAVING AN ARCING PORTION ADAPTED TO SUSTAIN A HIGH-CURRENT ELECTRIC ARC, DISCHARGING IN CONTACT WITH SAID ARCING PORTION AND INTO THE AMBIENT SPACE A GAS HAVING A PRESSURE, WHEN PASSING IN CONTACT WITH SAID ARCING PORTION, WHICH IS ONLY A SMALL FRACTION OF ATMOSPHERIC, AND MAINTAINING A HIGH-CURRENT ELECTRIC ARC TO SAID ARCING PORTION AND THEREBY EFFECTING HEATING OF SAID GAS PRIOR TO DISCHARGE THEREOF FROM SAID SPACE VEHICLE.
References Cited (Backward Citations)
US2635422A
Cited
US2886692A
Cited
US2862099A
Cited
US3066528A
Cited
US3077108A
Cited
US2850662A
Cited
US2951143A
Cited
US3051639A
Cited
US3069848A
Cited
US3091079A
Cited
US3082314A
Cited
US3149459A
Cited
US3091920A
Cited
US3149460A
Cited
US3075065A
Cited
US3121675A
Cited
US3119758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |