Patent US2434037A successfully refreshed from Google Patents.
US2434037A
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US
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Material classifier
Assignee: Babcock and Wilcox Co
•
Filing: 1943-04-02
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Granted: 1948-01-06
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Expires: 1963-04-02
Abstract
No abstract record available.
Inventors
- 👤 George B Ebersole
- 👤 Lester L Leach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:57
CPC Classifications
B; B07; B07B; B07B9/00; B07B9/02; B07B7/00; B07B7/08; B07B7/086; B02; B02C; B02C15/00; B02C2015/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1214249A
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US1965186A
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US2087645A
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US2079155A
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US2275595A
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US2211274A
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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) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |