US3056124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuning indicator
Assignee: Individual
•
Filing: 1956-05-31
•
Granted: 1962-09-25
•
Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 Young Charles Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:30
CPC Classifications
H; H03; H03J; H03J3/00; H03J3/02; H03J3/12; H03J3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1744840A
Cited
US2278516A
Cited
US2411848A
Cited
US2474692A
Cited
US2528214A
Cited
US2691158A
Cited
US2748380A
Cited
US2819400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |