Patent US2723650A successfully refreshed from Google Patents.
US2723650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor generator
Assignee: Babcock and Wilcox Co
•
Filing: 1950-11-10
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Granted: 1955-11-15
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Expires: 1970-11-10
Abstract
No abstract record available.
Inventors
- 👤 George W Beute
- 👤 Leroy M Fink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:42
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/14; F22B37/146; F22B37/141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1757343A
Cited
DE690526C
Cited
US2305611A
Cited
US2424476A
Cited
US2602433A
Cited
US2647495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |