US2431368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of electric arc brazing
Assignee: Westinghouse Electric Corp
•
Filing: 1943-04-13
•
Granted: 1947-11-25
•
Expires: 1963-04-13
Abstract
No abstract record available.
Inventors
- 👤 Sidney J Cherry
- 👤 Leo C Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:29
CPC Classifications
B; B23; B23K; B23K1/00; B23K1/0008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2269845A
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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) | 1950-11-24 | 1951-05-26 | 1951-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-24 | 1955-05-26 | 1955-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-24 | 1959-05-26 | 1959-11-25 | $7700.00 | Window Closed / Lapsed |