US2905770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flux responsive magnetic reproducer head
Assignee: Clevite Corp
•
Filing: 1956-01-19
•
Granted: 1959-09-22
•
Expires: 1976-01-19
Abstract
No abstract record available.
Inventors
- 👤 Kornei Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:41
CPC Classifications
G; G11; G11B; G11B11/00; G11B11/10; G11B5/00; G11B5/127; G11B5/33; G11B5/335
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB504932A
Cited
US2615097A
Cited
US2649568A
Cited
US2785233A
Cited
US2768243A
Cited
US2722569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |