US3012213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tandem control for stereophonic sound reproducing systems
Assignee: CTS Corp
•
Filing: 1960-05-27
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Granted: 1961-12-05
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Adrian J Vaksvik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:19
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/16; H01C10/20; Y; Y10; Y10S; Y10S116/00; Y10S116/29; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834; Y10T74/2084
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) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |