Patent US2608621A successfully refreshed from Google Patents.
US2476110A
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US
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Transducing system to compensate for torsion in a magnetic record wire
Assignee: Individual
•
Filing: 1944-09-08
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Granted: 1949-07-12
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Expires: 1964-09-08
Abstract
No abstract record available.
Inventors
- 👤 Neufeld Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:46
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB479468A
Cited
US902773A
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US1949409A
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US1993616A
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US2086601A
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US2025158A
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US2136606A
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US2272821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |