Patent US3492616A successfully refreshed from Google Patents.
US3492616A
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US
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Assignee: Babcock and Wilcox Co
•
Filing: 1966-09-15
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Granted: 1970-01-27
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Expires: 1986-09-15
Abstract
No abstract record available.
Inventors
- 👤 John C Singleton
- 👤 John R Thayer
- 👤 Frederick C Seelenbinder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:08
CPC Classifications
G; G21; G21C; G21C17/00; G21C17/10; G21C17/12; G21C7/00; G21C7/06; G21C7/08; G21C7/12; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2053077A
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US2236151A
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US2465032A
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US2469137A
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US2596361A
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US3138772A
Cited
US3142794A
Cited
US3221281A
Cited
US3308411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |