US2660829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animated attachment for record players
Assignee: Individual
•
Filing: 1952-05-06
•
Granted: 1953-12-01
•
Expires: 1972-05-06
Abstract
No abstract record available.
Inventors
- 👤 Margaret A Estes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:00
CPC Classifications
G; G11; G11B; G11B33/00; G11B33/02; G11B33/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1324068A
Cited
US938318A
Cited
US1355612A
Cited
US1475222A
Cited
US1490601A
Cited
US1430811A
Cited
US1427295A
Cited
US1527904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |