US2534768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television tuner
Assignee: BELMONT RADIO Corp
•
Filing: 1948-10-08
•
Granted: 1950-12-19
•
Expires: 1968-10-08
Abstract
No abstract record available.
Inventors
- 👤 Emery L Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:59
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/04; H03J5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB382076A
Cited
GB392469A
Cited
US1951542A
Cited
US2235195A
Cited
US2251068A
Cited
US2272050A
Cited
US2424506A
Cited
US2379284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |