Patent US2496103A successfully refreshed from Google Patents.
US2496103A
Expired / Lapsed
US
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Indexing and speed control system for magnetic reproducers
Assignee: Individual
•
Filing: 1944-09-14
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Granted: 1950-01-31
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Expires: 1964-09-14
Abstract
No abstract record available.
Inventors
- 👤 Neufeld Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:24
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/46; G11B27/00; G11B27/10; G11B27/19; G11B27/28; G11B27/30; G11B27/3018; G11B27/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1867685A
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US1921494A
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US1989965A
Cited
US1909765A
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US2024608A
Cited
US2024609A
Cited
US2076937A
Cited
US2279018A
Cited
US2338991A
Cited
US2396409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |