US2746306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural-speed drive mechanisms for phonograph turntables
Assignee: GEN IND CO
•
Filing: 1949-09-22
•
Granted: 1956-05-22
•
Expires: 1969-09-22
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:33
CPC Classifications
G; G11; G11B; G11B19/00; G11B19/20; G11B19/26; G11B19/265
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US230695A
Cited
US2249384A
Cited
US2281665A
Cited
US2438266A
Cited
US2458036A
Cited
US2518826A
Cited
US2551266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |