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US2665360A
Expired / Lapsed
US
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Flash welder control
Assignee: Taylor Winfield Corp
•
Filing: 1952-03-14
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Granted: 1954-01-05
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Expires: 1972-03-14
Abstract
No abstract record available.
Inventors
- 👤 Hansen Hans Henning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:10
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/04; B23K11/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1892208A
Cited
US2373226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |