US2910828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convergent-divergent variable area propulsion nozzle
Assignee: RTX Corp
•
Filing: 1956-08-24
•
Granted: 1959-11-03
•
Expires: 1976-08-24
Abstract
No abstract record available.
Inventors
- 👤 Robert E Meyer
- 👤 Hilmer K Noren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:31
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/78; F02K1/82; F02K1/822; F02K1/06; F02K1/12; F02K1/123; F02K1/80; F02K1/805; F05; F05D; F05D2250/00; F05D2250/30; F05D2250/31; F05D2250/32; F05D2250/323; F05D2250/324; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |