Patent US3018324A successfully refreshed from Google Patents.
US3018324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization in tape recording and reproduction
Assignee: RCA Corp
•
Filing: 1958-07-25
•
Granted: 1962-01-23
•
Expires: 1978-07-25
Abstract
No abstract record available.
Inventors
- 👤 Eric M Leyton
- 👤 George A Olive
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:55
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/06; H04N11/12; H04N11/14; H04N9/00; H04N9/79; H04N9/87; H04N9/8722
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2772324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |