Patent US2937026A successfully refreshed from Google Patents.
US2937026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonograph record players
Assignee: Individual
•
Filing: 1954-02-02
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Granted: 1960-05-17
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Expires: 1974-02-02
Abstract
No abstract record available.
Inventors
- 👤 Norbert K Acker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:46
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/22; G11B17/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1968245A
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US1377027A
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US1573504A
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DE622000C
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US2323365A
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US2572609A
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US2416436A
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US2501391A
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US2594633A
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US2557645A
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US2616706A
Cited
US2658761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |