US2949307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective record lowering, lifting, and releasing means for automatic interlocking and conventional record players
Assignee: Individual
•
Filing: 1953-06-02
•
Granted: 1960-08-16
•
Expires: 1973-06-02
Abstract
No abstract record available.
Inventors
- 👤 Elizabeth M Mentzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:47
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/22; G11B17/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB377173A
Cited
US2512701A
Cited
US2555895A
Cited
US2544230A
Cited
US2665917A
Cited
US2523157A
Cited
US2626157A
Cited
US2777699A
Cited
US2648541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |