US2938335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise suppressor and thrust reverser
Assignee: Boeing Co
•
Filing: 1958-04-14
•
Granted: 1960-05-31
•
Expires: 1978-04-14
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:00
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/40; F02K1/42; F02K1/54; F02K1/56; F02K1/58; F05; F05D; F05D2260/00; F05D2260/96; F05D2260/962
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2797548A
Cited
US2845775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |