US2628843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic phonograph
Assignee: Individual
•
Filing: 1946-10-09
•
Granted: 1953-02-17
•
Expires: 1966-10-09
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Comstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:33
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/10; G11B3/12; G11B3/14; G11B17/00; G11B17/08; G11B17/12; G11B17/14; G11B3/08; G11B3/085; G11B3/08503; G11B3/08506; G11B3/08509; G11B3/08535; G11B3/08538; G11B3/08541; G11B3/08545
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |