Patent US2916559A successfully refreshed from Google Patents.
US2916559A
Expired / Lapsed
US
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Magnetic recording and reproducing device
Assignee: International Standard Electric Corp
•
Filing: 1956-06-01
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Granted: 1959-12-08
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Expires: 1976-06-01
Abstract
No abstract record available.
Inventors
- 👤 Marteleur Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:09
CPC Classifications
G; G11; G11B; G11B5/00; G11C; G11C11/00; G11C11/56; G11C11/5607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2423339A
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US2656420A
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US2587593A
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US2509780A
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US2585932A
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US2658950A
Cited
US2574708A
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US2681387A
Cited
US2756276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |