US2837337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic interlocking dual phonograph record player with selective control
Assignee: Individual
•
Filing: 1952-10-16
•
Granted: 1958-06-03
•
Expires: 1972-10-16
Abstract
No abstract record available.
Inventors
- 👤 Herman H Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:38
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/08; G11B17/12; G11B17/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2555895A
Cited
US2622885A
Cited
US2506926A
Cited
GB632233A
Cited
US2637559A
Cited
US2611619A
Cited
US2637558A
Cited
US2729455A
Cited
US2697608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |