Patent US2434400A successfully refreshed from Google Patents.
US2434400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse modulated oscillator
Assignee: Emerson Radio Corp
•
Filing: 1945-05-21
•
Granted: 1948-01-13
•
Expires: 1965-05-21
Abstract
No abstract record available.
Inventors
- 👤 Easton Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:40
CPC Classifications
H; H03; H03K; H03K7/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2223058A
Cited
US2370685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-12 | 1951-07-14 | 1952-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-12 | 1955-07-14 | 1956-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-12 | 1959-07-14 | 1960-01-13 | $7700.00 | Window Closed / Lapsed |