US2562707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stylus for magnetic recording and reproducing apparatus
Assignee: General Electric Co
•
Filing: 1946-10-05
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Granted: 1951-07-31
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Expires: 1966-10-05
Abstract
No abstract record available.
Inventors
- 👤 Harold T Faus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:40
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/012; G10; G10H; G10H3/00; G10H3/03; G11B31/00; G11B31/003; G11B5/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1792494A
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GB291755A
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AU1862729A
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GB393571A
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US2078357A
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US2361753A
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US2433207A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |