US2621241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selector for automatic phonographs
Assignee: J P SEEBURG Corp
•
Filing: 1949-09-23
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Granted: 1952-12-09
•
Expires: 1969-09-23
Abstract
No abstract record available.
Inventors
- 👤 Herman G Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:47
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/30; G11; G11B; G11B17/00; G11B17/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE287274C
Cited
US1331151A
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US2319946A
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US2425974A
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US2446643A
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US2489782A
Cited
US2456893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |