US2834324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor generator with high temperature pendent superheater platens
Assignee: Babcock and Wilcox Co
•
Filing: 1953-02-12
•
Granted: 1958-05-13
•
Expires: 1973-02-12
Abstract
No abstract record available.
Inventors
- 👤 Glen J Schoessow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:19
CPC Classifications
F; F22; F22G; F22G7/00; F22G7/14; F22B; F22B21/00; F22B21/34; F22B21/341; F22B21/343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1924918A
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US2033077A
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FR832563A
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US2308762A
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FR872266A
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US2477950A
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US2519566A
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US2536072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |