US2630104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam generator
Assignee: Babcock and Wilcox Co
•
Filing: 1947-05-28
•
Granted: 1953-03-03
•
Expires: 1967-05-28
Abstract
No abstract record available.
Inventors
- 👤 John F Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:28
CPC Classifications
F; F22; F22B; F22B21/00; F22B21/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2148484A
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US535115A
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US522271A
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US772789A
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US830138A
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US959612A
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US1889031A
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US1746711A
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US1766989A
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US1940578A
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US2033767A
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GB469595A
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US2251014A
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US2271880A
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US2271639A
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US2275652A
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US2327750A
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US2518459A
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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) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |