US2505264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-inertia phonograph turntable
Assignee: GEN IND CO
•
Filing: 1945-03-03
•
Granted: 1950-04-25
•
Expires: 1965-03-03
Abstract
No abstract record available.
Inventors
- 👤 Woude Fritz R Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:32
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1128756A
Cited
US1347113A
Cited
GB167976A
Cited
US1690267A
Cited
US2088191A
Cited
US2026878A
Cited
US2081605A
Cited
GB478312A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-24 | 1953-10-24 | 1954-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-24 | 1957-10-24 | 1958-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-24 | 1961-10-24 | 1962-04-25 | $7700.00 | Window Closed / Lapsed |