US2479888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling system for reaction motors
Assignee: Reaction Motors Inc
•
Filing: 1943-07-06
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Granted: 1949-08-23
•
Expires: 1963-07-06
Abstract
No abstract record available.
Inventors
- 👤 James H Wyld
- 👤 Jr Lcvell Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:35
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1237862A
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FR522163A
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US1596836A
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CH157231A
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US1879186A
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US2072384A
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US2280835A
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US2325619A
Cited
US2271903A
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US2397657A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |