Patent US2436387A successfully refreshed from Google Patents.
US2436387A
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US
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Multiple electrode arc welding
Assignee: Babcock and Wilcox Co
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Filing: 1944-12-22
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Granted: 1948-02-24
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Expires: 1964-12-22
Abstract
No abstract record available.
Inventors
- 👤 Harter Isaac
- 👤 Evan F Wilson
- 👤 Ernest C Huge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:24
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/06; B23K9/067; B23K9/0672; B23K9/0678
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |