US3621859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet deflection control systems
Assignee: NAT RES DEV
•
Filing: 1969-06-25
•
Granted: 1971-11-23
•
Expires: 1989-06-25
Abstract
Abstract THE PRESENT INVENTION CONCERNS A JET DEFLECTION CONTROL SYSTEM FOR USE WITH A "JET FLAP" TYPE OF CONTROL SURFACE, WHICH REQUIRES A HIGH MOMENTUM IN THE OUTPUT JET FORMED AND CONTROLLED AS NEAR TO THE POINT OF OPERATION AS POSSIBLE, THE CONTROL BEING PRODUCED BY SPLITTING A PRIMARY JET INTO TWO SUBSIDIARY JETS WHICH ARE NORMALLY CONVERGENT WITH DEFLECTION BEING EFFECTED BY CONTROLLING AT LEAST ONE OF THE SUBSIDIARY JETS TO MODIFY THE NORMAL CONVERGENCE.
Inventors
- 👤 Athelstane Bodley Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:42
CPC Classifications
B; B64; B64C; B64C21/00; B64C21/02; B64C21/08; B64C2230/00; B64C2230/06; Y; Y02; Y02T; Y02T50/00; Y02T50/10; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/218; Y10T137/2202
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |