Patent US3369176A successfully refreshed from Google Patents.
US3369176A
Expired / Lapsed
US
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Intermodulation test system whose frequency is governed by an r.f. two tone signal
Assignee: Individual
•
Filing: 1964-04-08
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Granted: 1968-02-13
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Expires: 1984-04-08
Abstract
No abstract record available.
Inventors
- 👤 Anthony C Palatinus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:55
CPC Classifications
G; G01; G01R; G01R27/00; G01R27/28; G01R27/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2422386A
Cited
US2492218A
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US2781450A
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US2892944A
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US3060380A
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US3225316A
Cited
US3222459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |