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Patent US2479053A successfully refreshed from Google Patents.
US2479053A
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Copper-coated magnetic steel yoke for welding apparatus
Assignee: ThyssenKrupp Budd Co
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Filing: 1945-06-22
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Granted: 1949-08-16
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Expires: 1965-06-22
Abstract
No abstract record available.
Inventors
- 👤 Comfort A Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:16
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/31; B23K11/314; B23K11/315; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9265; Y10S428/928; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917; Y10T428/12924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US293532A
Cited
US1817964A
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US2052317A
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US2172978A
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US2268617A
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US2314882A
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US2381367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |