US2625337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding control device
Assignee: Brush Development Co
•
Filing: 1947-11-01
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Granted: 1953-01-13
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Expires: 1967-11-01
Abstract
No abstract record available.
Inventors
- 👤 Alfred L W Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:29
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/44; G11B15/442; G11B15/22; G11B15/46; G11B15/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |