US2730815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simulated radio range tuning control
Assignee: Curtiss Wright Corp
•
Filing: 1951-07-17
•
Granted: 1956-01-17
•
Expires: 1971-07-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Gallo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:03
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2321799A
Cited
US2471315A
Cited
US2559039A
Cited
US2457832A
Cited
US2560527A
Cited
US2631778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |