US2499341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Movable work stop for solid die headers
Assignee: Waterbury Farrel Foundry and Machine Co
•
Filing: 1944-08-03
•
Granted: 1950-02-28
•
Expires: 1964-08-03
Abstract
No abstract record available.
Inventors
- 👤 Wilcox Richard Lester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:43
CPC Classifications
B; B21; B21K; B21K27/00; B21K27/02; B21K1/00; B21K1/44; B21K1/46; B21K27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1263309A
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US1146611A
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US1271540A
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US1299115A
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Cited
US1573487A
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US1772148A
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US2236221A
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US2318825A
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US2362970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |