US2859419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
All channel television tuner
Assignee: White Rodgers Co
•
Filing: 1955-01-03
•
Granted: 1958-11-04
•
Expires: 1975-01-03
Abstract
No abstract record available.
Inventors
- 👤 Bernhard E Keiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:32
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/26; H03J5/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734175A
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US2126541A
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US2551228A
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US2693581A
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US2627579A
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US2513392A
Cited
US2587419A
Cited
US2558454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |