Patent US2908490A successfully refreshed from Google Patents.
US2908490A
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US
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Fine wire drawing furnace
Assignee: Westinghouse Electric Corp
•
Filing: 1954-11-23
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Granted: 1959-10-13
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Expires: 1974-11-23
Abstract
No abstract record available.
Inventors
- 👤 John William St
- 👤 Thomas A Hoffmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:54
CPC Classifications
B; B21; B21C; B21C9/00; H; H01; H01K; H01K3/00; H01K3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB386412A
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US2215080A
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US2325950A
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FR883374A
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US2474313A
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US2489244A
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US2762618A
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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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |