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Patent US2761208A successfully refreshed from Google Patents.
US2761208A
Expired / Lapsed
US
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Method of producing metallic strip
Assignee: Individual
•
Filing: 1953-02-26
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Granted: 1956-09-04
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Expires: 1973-02-26
Abstract
No abstract record available.
Inventors
- 👤 Colin C Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:06
CPC Classifications
B; B23; B23K; B23K33/00; B21; B21B; B21B15/00; B21B15/0085; B21D; B21D39/00; B21D39/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1529445A
Cited
US2237716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |