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Patent US2909275A successfully refreshed from Google Patents.
US2909275A
Expired / Lapsed
US
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Continuous wire-drawing machine
Assignee: Siemens Industry Inc
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Filing: 1956-11-19
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Granted: 1959-10-20
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 John H Hitchcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:43
CPC Classifications
B; B21; B21C; B21C1/00; B21C1/02; B21C1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2205213A
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US2263246A
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US2370481A
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US2432191A
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US2462558A
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CH264039A
Cited
US2646150A
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US2748925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |