Patent US2895015A successfully refreshed from Google Patents.
US2895015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic record transducer
Assignee: RCA Corp
•
Filing: 1953-09-17
•
Granted: 1959-07-14
•
Expires: 1973-09-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Zenel
- 👤 Adolph R Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:36
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2469444A
Cited
AT169056B
Cited
US2693508A
Cited
GB661428A
Cited
US2628286A
Cited
US2674659A
Cited
US2754569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |