Patent US2796296A successfully refreshed from Google Patents.
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 07:35
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/30; B05B1/32; B05B1/323
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US702375A
Cited
US1205480A
Cited
US1755192A
Cited
DE496000C
Cited
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 |