Patent US2808349A successfully refreshed from Google Patents.
Patent US2686284A successfully refreshed from Google Patents.
US2686284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna sector scan control circuit
Assignee: United States Department of the Navy
•
Filing: 1945-12-27
•
Granted: 1954-08-10
•
Expires: 1965-12-27
Abstract
No abstract record available.
Inventors
- 👤 Sher Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:11
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |