US2796296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle exit valve
Assignee: Individual
•
Filing: 1953-04-27
•
Granted: 1957-06-18
•
Expires: 1973-04-27
Abstract
No abstract record available.
Inventors
- 👤 John F Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:18
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/30; B05B1/32; B05B1/323
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US702375A
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US1205480A
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US1755192A
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DE496000C
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US1980743A
Cited
US2096581A
Cited
US2291218A
Cited
US2439832A
Cited
US2564465A
Cited
US2600752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |