Patent US2683923A successfully refreshed from Google Patents.
US2683923A
Expired / Lapsed
US
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Method of making composite metal products of fusion welded construction
Assignee: Universal Cyclops Steel Corp
•
Filing: 1950-01-31
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Granted: 1954-07-20
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Expires: 1970-01-31
Abstract
No abstract record available.
Inventors
- 👤 Hugh E Replogle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:25
CPC Classifications
B; B23; B23D; B23D65/00; B23D61/00; B23D61/12; B23D61/123; B23D61/127; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US347142A
Cited
US907167A
Cited
US1407794A
Cited
US1535096A
Cited
US1826085A
Cited
US1887372A
Cited
US1901654A
Cited
US1784080A
Cited
US1867345A
Cited
GB455046A
Cited
AT154337B
Cited
US2148925A
Cited
US2438759A
Cited
US2308569A
Cited
US2376931A
Cited
US2431517A
Cited
GB610244A
Cited
US2487304A
Cited
GB618610A
Cited
US2457616A
Cited
US2515191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |