Patent US2560358A successfully refreshed from Google Patents.
US2560358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic phonograph pickup
Assignee: RCA Corp
•
Filing: 1948-07-31
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Granted: 1951-07-10
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Expires: 1968-07-31
Abstract
No abstract record available.
Inventors
- 👤 Earl E Masterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:10
CPC Classifications
H; H04; H04R; H04R11/00; H04R11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2027169A
Cited
US2212530A
Cited
US2373181A
Cited
US2410607A
Cited
US2397888A
Cited
US2417712A
Cited
US2476684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |