Patent US2897341A successfully refreshed from Google Patents.
US2897341A
Expired / Lapsed
US
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Fusible metallic arc metal working
Assignee: Babcock and Wilcox Co
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Filing: 1954-02-11
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Granted: 1959-07-28
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Expires: 1974-02-11
Abstract
No abstract record available.
Inventors
- 👤 Meredith H Mackusick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:49
CPC Classifications
B; B23; B23K; B23K9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2184765A
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US2405673A
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US2430055A
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US2444834A
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US2504868A
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US2532410A
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US2669640A
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US2721249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |