US2779825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control for sound reproducing equipment
Assignee: Individual
•
Filing: 1955-06-03
•
Granted: 1957-01-29
•
Expires: 1975-06-03
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:22
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/18; G11B15/44; G11B15/444; G11B27/00; G11B27/10; G11B27/19; G11B27/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |