Patent US2799137A successfully refreshed from Google Patents.
US2799137A
Expired / Lapsed
US
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Method of and apparatus for feeding fuel to a resonant pulse jet engine
Assignee: TENNEY
•
Filing: 1952-02-26
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Granted: 1957-07-16
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Expires: 1972-02-26
Abstract
No abstract record available.
Inventors
- 👤 William L Tenney
- 👤 Scoville E Knox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:15
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/02; F02K7/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |