US3410564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature phonograph
Assignee: Individual
•
Filing: 1965-07-27
•
Granted: 1968-11-12
•
Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Duncan
- 👤 Robert N Aleson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:56
CPC Classifications
G; G11; G11B; G11B33/00; G11B33/02; G11B33/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190606220A
Cited
US936976A
Cited
US2238412A
Cited
US2212623A
Cited
US2622700A
Cited
US2764259A
Cited
DE1210582B
Cited
US3073605A
Cited
US3030115A
Cited
US3033336A
Cited
US3162980A
Cited
US3165320A
Cited
US3285609A
Cited
US3285612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |