US2654879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow stoppage detector for fuel supply lines
Assignee: Combustion Engineering Inc
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Filing: 1950-04-17
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Granted: 1953-10-06
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Expires: 1970-04-17
Abstract
No abstract record available.
Inventors
- 👤 George P Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:16
CPC Classifications
F; F23; F23C; F23C99/00; B; B02; B02C; B02C23/00; B02C23/04; B65; B65G; B65G23/00; B65G2811/00; B65G2811/09; B65G2811/091; B65G2811/093; F23C2700/00; F23C2700/06; F23C2700/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |