US2643887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonograph tone arm
Assignee: UNITED Manufacturing CO
•
Filing: 1950-08-18
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Granted: 1953-06-30
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Expires: 1970-08-18
Abstract
No abstract record available.
Inventors
- 👤 Lloyd J Andres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:19
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/10; G11B3/12; G11B3/14; G11B3/04; G11B3/30; G11B3/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US238841A
Cited
US1830800A
Cited
GB598382A
Cited
US2561466A
Cited
US2434033A
Cited
US2547441A
Cited
GB618814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |