Patent US2997843A successfully refreshed from Google Patents.
US2997843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inlet control system for supersonic aircraft
Assignee: Bendix Corp
•
Filing: 1958-04-23
•
Granted: 1961-08-29
•
Expires: 1978-04-23
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Arnett
- 👤 Richard C German
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:06
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/04; F02C7/057; Y; Y10; Y10T; Y10T137/00; Y10T137/0536; Y10T137/0645
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2638738A
Cited
GB736003A
Cited
US2775231A
Cited
US2840322A
Cited
US2820340A
Cited
FR1075248A
Cited
GB777570A
Cited
US2804084A
Cited
US2870601A
Cited
US2886010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |