US2618925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control means for pulse jet combustion units
Assignee: Packard Motor Car Co
•
Filing: 1947-01-31
•
Granted: 1952-11-25
•
Expires: 1967-01-31
Abstract
No abstract record available.
Inventors
- 👤 George F Wislicenus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:02
CPC Classifications
F; F02; F02K; F02K7/00; F02K7/02; F02K7/06; F02K7/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR412478A
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US1246159A
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US1329559A
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US1566862A
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US2007080A
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GB386908A
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DE640228C
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US2167303A
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US2208984A
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US2198730A
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FR852971A
Cited
US2427845A
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US2575682A
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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) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |