US3419808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously variable circuit for controlling the sweep of an oscilloscope
Assignee: United States Department of the Air Force
•
Filing: 1966-06-28
•
Granted: 1968-12-31
•
Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Jr John G Lenhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:41
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/22; G01R13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2448069A
Cited
US2753451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |