Patent US2523291A successfully refreshed from Google Patents.
US2523291A
Expired / Lapsed
US
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Electric welding fixture
Assignee: International Standard Electric Corp
•
Filing: 1947-01-02
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Granted: 1950-09-26
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Expires: 1967-01-02
Abstract
No abstract record available.
Inventors
- 👤 Gilliver Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:40
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/002; B23K11/004; B23K11/0046; B23K11/006; B23K35/00; B23K35/02; B23K35/0255; B23K35/0288; F; F16; F16B; F16B35/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1972529A
Cited
US2145651A
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US2141288A
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US2223730A
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US2411548A
Cited
GB553032A
Cited
GB570681A
Cited
US2401176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |