Patent US2438264A successfully refreshed from Google Patents.
US2438264A
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US
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Phonograph driving mechanism
Assignee: GEN IND CO
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Filing: 1946-04-04
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Granted: 1948-03-23
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Expires: 1966-04-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:31
CPC Classifications
G; G11; G11B; G11B17/00; F; F16; F16H; F16H13/00; F16H13/10; F16H15/00; F16H15/02; F16H15/46; G11B19/00; G11B19/20; G11B19/26; G11B19/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2260289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-23 | 1951-09-22 | 1952-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-23 | 1955-09-22 | 1956-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-23 | 1959-09-22 | 1960-03-23 | $7700.00 | Window Closed / Lapsed |