Patent AU8569282A successfully refreshed from Google Patents.
US2659837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sweep linearity control circuit
Assignee: General Electric Co
•
Filing: 1949-03-29
•
Granted: 1953-11-17
•
Expires: 1969-03-29
Abstract
No abstract record available.
Inventors
- 👤 Lawrence C Murdock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:52
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/26; H03K4/39; H03K4/43
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2059219A
Cited
US2144351A
Cited
US2110245A
Cited
US2438910A
Cited
US2506770A
Cited
US2556179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |