US2923377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid vapor separating vessel
Assignee: Babcock and Wilcox Co
•
Filing: 1955-08-19
•
Granted: 1960-02-02
•
Expires: 1975-08-19
Abstract
No abstract record available.
Inventors
- 👤 Donald C Schluderberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:28
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/24; B04C5/28; B01; B01D; B01D45/00; B01D45/04; B01D45/06; B01D45/08; B01D45/12; B04C5/08; B04C5/103; B04C5/14; F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/32; F22B37/322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB469542A
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US2106589A
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US2320343A
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US2298285A
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US2341087A
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US2487633A
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US2654351A
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US2782772A
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US2687780A
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US2771157A
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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) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |