Patent US2748925A successfully refreshed from Google Patents.
US2748925A
Expired / Lapsed
US
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Wire drawing machine
Assignee: Siemens Industry Inc
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Filing: 1952-08-01
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Granted: 1956-06-05
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Expires: 1972-08-01
Abstract
No abstract record available.
Inventors
- 👤 Norman A Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:22
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/02; B21C1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2205213A
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US2235418A
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US2263246A
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US2250886A
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US2351483A
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US2449608A
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CH264039A
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US2588834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |