US2940763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for setting a magnetic sound record sheet on a magnetic sound record reading machine and an apparatus therefor
Assignee: Individual
•
Filing: 1957-10-23
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Granted: 1960-06-14
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Expires: 1977-10-23
Abstract
No abstract record available.
Inventors
- 👤 Hoshino Yasushi
- 👤 Sato Minoru
- 👤 Namikawa Mamoru
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:37
CPC Classifications
G; G11; G11B; G11B21/00; G11B21/02; G11B21/04; G11B21/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB745218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |