Patent US3046359A successfully refreshed from Google Patents.
US3046359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic heads
Assignee: RCA Corp
•
Filing: 1959-02-02
•
Granted: 1962-07-24
•
Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 Warren Henry Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:14
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/17; G11B5/48; G11B5/52; G11B5/53
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2144844A
Cited
US2536260A
Cited
US2662120A
Cited
US2813924A
Cited
US2892041A
Cited
US2866012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |