US2954842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for separating vapor and liquids
Assignee: Babcock and Wilcox Co
•
Filing: 1956-07-06
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Granted: 1960-10-04
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Expires: 1976-07-06
Abstract
No abstract record available.
Inventors
- 👤 Earl E Coulter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:09
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/04; B01D45/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE255292C
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US1007289A
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US1044208A
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US1519428A
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US1879107A
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FR773786A
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FR1105213A
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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) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |