Patent US2635487A successfully refreshed from Google Patents.
US2635487A
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US
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Method and apparatus for making wire drawing dies
Assignee: General Cable Corp
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Filing: 1949-06-03
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Granted: 1953-04-21
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Expires: 1969-06-03
Abstract
No abstract record available.
Inventors
- 👤 Frank M Potter
- 👤 Robert M Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:14
CPC Classifications
B; B23; B23H; B23H1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1746209A
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US2008846A
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US2300855A
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US2377159A
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US2412101A
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US2436251A
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US2438941A
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US2476965A
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US2552582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |