Patent SU322513A1 successfully refreshed from Google Patents.
Patent US2545643A successfully refreshed from Google Patents.
US2545643A
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US
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Record changer phonograph
Assignee: Arris Technology Inc
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Filing: 1944-11-29
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Granted: 1951-03-20
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Expires: 1964-11-29
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:49
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/08; G11B3/085; G11B3/08535; G11B3/08538; G11B3/08541; G11B3/08545
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1889786A
Cited
US1938810A
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GB451846A
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US2333414A
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US2352331A
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US2295092A
Cited
US2328641A
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US2457106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |