Patent US2960686A successfully refreshed from Google Patents.
US2960686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and device for recording and reproducing on magnetic carriers at any speed
Assignee: Individual
•
Filing: 1956-10-05
•
Granted: 1960-11-15
•
Expires: 1976-10-05
Abstract
No abstract record available.
Inventors
- 👤 Gaillard Robert De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:46
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; G05B19/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2352023A
Cited
US2275609A
Cited
US2509215A
Cited
US2532803A
Cited
US2622155A
Cited
US2690473A
Cited
US2843446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |