US3495047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic tape means for continuous recording along a plurality of tracks on an endless tape
Assignee: NEC Corp
•
Filing: 1966-04-26
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Granted: 1970-02-10
•
Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 Muneo Atsumi
- 👤 Shiro Okamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:03
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/78; H04N5/782; G; G11; G11B; G11B5/00; G11B5/48; G11B5/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |