US2597575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency modulation reflex limiting circuit
Assignee: General Electric Co
•
Filing: 1949-03-01
•
Granted: 1952-05-20
•
Expires: 1969-03-01
Abstract
No abstract record available.
Inventors
- 👤 Robert B Dome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:39
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1657451A
Cited
US1660930A
Cited
US2344678A
Cited
US2379721A
Cited
US2425923A
Cited
US2456915A
Cited
US2501122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |