US3376383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recorder having offset heads to record sync pulses in line for crosstalk reduction
Assignee: Ampex Corp
•
Filing: 1964-04-08
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Granted: 1968-04-02
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Expires: 1984-04-08
Abstract
No abstract record available.
Inventors
- 👤 Michael O Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:15
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/52; G11B23/00; G11B23/0007; H; H04; H04N; H04N5/00; H04N5/76; H04N5/78; H04N5/782; H04N5/7824; H04N5/7826; H04N5/78263; H04N5/783
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3235670A
Cited
US3234325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |