US2765619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-fuel ratio control system for ram-jet engines
Assignee: Bendix Aviation Corp
•
Filing: 1950-05-03
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Granted: 1956-10-09
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Expires: 1970-05-03
Abstract
No abstract record available.
Inventors
- 👤 Joel D Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:41
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/32; F02C9/28; F02K; F02K7/00; F02K7/10; F05; F05D; F05D2270/00; F05D2270/30; F05D2270/301; F05D2270/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE452900C
Cited
US2422808A
Cited
US2478909A
Cited
US2503048A
Cited
US2457595A
Cited
US2564127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |