US3000583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recording and for playback of sound utilizing a tape
Assignee: Newcomb Electronics Corp
•
Filing: 1957-08-12
•
Granted: 1961-09-19
•
Expires: 1977-08-12
Abstract
No abstract record available.
Inventors
- 👤 Richard K Hoskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:14
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/22; G11B15/44; G11B15/442
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |