US2720749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle closure assembly
Assignee: Raytheon Co
•
Filing: 1950-01-31
•
Granted: 1955-10-18
•
Expires: 1970-01-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Murray C Beebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:33
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/95; F02K9/97; F02K9/978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE305160C
Cited
GB189614000A
Cited
US2457839A
Cited
GB599275A
Cited
US2502458A
Cited
US2487104A
Cited
US2589144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |