US2794909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode follower radio frequency amplifier for radio receiver
Assignee: Motorola Solutions Inc
•
Filing: 1952-01-12
•
Granted: 1957-06-04
•
Expires: 1972-01-12
Abstract
No abstract record available.
Inventors
- 👤 Howard O Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:11
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/50; H03F3/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2240715A
Cited
US2310455A
Cited
US2332919A
Cited
US2549761A
Cited
US2589736A
Cited
US2662938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |