US2648397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor-from-liquid separator apparatus
Assignee: Combustion Engineering Inc
•
Filing: 1948-03-09
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Granted: 1953-08-11
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Expires: 1968-03-09
Abstract
No abstract record available.
Inventors
- 👤 Ravese Thomas
- 👤 Earl V Bentley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:25
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/261; Y; Y10; Y10S; Y10S55/00; Y10S55/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL38431C
Cited
US661499A
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GB191408134A
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US1362025A
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US2058240A
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US2320343A
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US2320345A
Cited
US2368632A
Cited
US2395855A
Cited
US2594490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-10 | 1957-02-09 | 1957-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-10 | 1961-02-09 | 1961-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-10 | 1965-02-09 | 1965-08-11 | $7700.00 | Window Closed / Lapsed |