Patent US2546845A successfully refreshed from Google Patents.
US2546845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective record player
Assignee: AUTOMATIC INSTR Co
•
Filing: 1944-03-25
•
Granted: 1951-03-27
•
Expires: 1964-03-25
Abstract
No abstract record available.
Inventors
- 👤 Lloyd J Andres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:47
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/22; G11B17/26; G11B17/02; G11B17/022; G11B17/028; G11B17/0282
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US956727A
Cited
US1841593A
Cited
US2094250A
Cited
US2018881A
Cited
US2104032A
Cited
US2095467A
Cited
US2263643A
Cited
US2216029A
Cited
US2286490A
Cited
US2318654A
Cited
US2348506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |