US2786135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television tuner for continuous tuning over two v. h. f. bands and the u. h. f. band
Assignee: Duracell Inc USA
•
Filing: 1953-01-02
•
Granted: 1957-03-19
•
Expires: 1973-01-02
Abstract
No abstract record available.
Inventors
- 👤 Walter E Garrigus
- 👤 Ned C Skillman
- 👤 Wainwright Claire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:01
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/26; H03J5/28
Claims Analysis
Total Claims: 0
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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) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |