US3048665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic record reproducing apparatus
Assignee: RCA Corp
•
Filing: 1959-01-02
•
Granted: 1962-08-07
•
Expires: 1979-01-02
Abstract
No abstract record available.
Inventors
- 👤 Roy C Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:56
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/0007; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B5/00; G11B5/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1909504A
Cited
FR899195A
Cited
US2648589A
Cited
GB676652A
Cited
US2809238A
Cited
US2864621A
Cited
US2797402A
Cited
US2942061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |