US3438273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vhf/uhf tuning mechanism for a television receiver
Assignee: Zenith Electronics LLC
•
Filing: 1967-10-12
•
Granted: 1969-04-15
•
Expires: 1987-10-12
Abstract
No abstract record available.
Inventors
- 👤 Otto H Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:05
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/04; H03J5/10; H03J1/00; H03J1/06; H03J1/14
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) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |