US2809843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turntable mounting for automatic interlocking dual phonograph record player
Assignee: Individual
•
Filing: 1952-06-30
•
Granted: 1957-10-15
•
Expires: 1972-06-30
Abstract
No abstract record available.
Inventors
- 👤 Herman H Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:25
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/022; G11B17/028; G11B17/0282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790687A
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US741247A
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US1480628A
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US2106778A
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US2119218A
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US2260319A
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US2241013A
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US2486898A
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US2542759A
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US2559786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |