US2570748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire drawing apparatus
Assignee: Armco Inc
•
Filing: 1945-07-09
•
Granted: 1951-10-09
•
Expires: 1965-07-09
Abstract
No abstract record available.
Inventors
- 👤 Bain Fillmore Franklin
- 👤 Broun Olney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:54
CPC Classifications
B; B21; B21C; B21C37/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US603836A
Cited
US491668A
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US738932A
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US1137920A
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US1520905A
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GB274244A
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US1751094A
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US1945877A
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US2108603A
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US2065166A
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US2226400A
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US2178674A
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US2217602A
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US2239580A
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US2250610A
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US2335354A
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US2379066A
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US2442592A
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US2412058A
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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) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |