Patent US2776362A successfully refreshed from Google Patents.
US2776362A
Expired / Lapsed
US
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Magnetic force resistance welding machine
Assignee: Cutler Hammer Inc
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Filing: 1953-06-15
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Granted: 1957-01-01
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Expires: 1973-06-15
Abstract
No abstract record available.
Inventors
- 👤 Jerome B Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:02
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2089213A
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US2338974A
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US2246167A
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US2386261A
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US2464967A
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US2473772A
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US2497652A
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US2640967A
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US2656512A
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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) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |