Patent US2472041A successfully refreshed from Google Patents.
US2472041A
Expired / Lapsed
US
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Weld control system
Assignee: ThyssenKrupp Budd Co
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Filing: 1944-03-31
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Granted: 1949-05-31
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Expires: 1964-03-31
Abstract
No abstract record available.
Inventors
- 👤 Davies Henry Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:50
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1959690A
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US2021173A
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US2104749A
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US2081987A
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US2361845A
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US2259331A
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US2288567A
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US2306593A
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US2295297A
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US2396497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |