US2782772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor generator and liquid flow means therefor
Assignee: Babcock and Wilcox Co
•
Filing: 1951-07-06
•
Granted: 1957-02-26
•
Expires: 1971-07-06
Abstract
No abstract record available.
Inventors
- 👤 Robert U Blaser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:07
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/32; F22B37/322; F22D; F22D11/00; Y; Y10; Y10S; Y10S55/00; Y10S55/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US565986A
Cited
US994167A
Cited
US1717015A
Cited
US1897727A
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US1719119A
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FR687910A
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US2007966A
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US2187646A
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US2106589A
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US2169935A
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US2320343A
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US2368632A
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US2298285A
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US2316764A
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US2402154A
Cited
US2316765A
Cited
US2368211A
Cited
US2434663A
Cited
US2578831A
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US2648397A
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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) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |