US3067394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrier wave overload protector having varactor diode resonant circuit detuned by overvoltage
Assignee: Polarad Electronics Corp
•
Filing: 1960-07-22
•
Granted: 1962-12-04
•
Expires: 1980-07-22
Abstract
No abstract record available.
Inventors
- 👤 Zimmerman Harry
- 👤 Share Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:28
CPC Classifications
H; H03; H03H; H03H2/00; H03H2/005; H03H2/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2688731A
Cited
US2415962A
Cited
US2752495A
Cited
US2773243A
Cited
US2928056A
Cited
US2959778A
Cited
US2884607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |