Patent US3377568A successfully refreshed from Google Patents.
US3377568A
Expired / Lapsed
US
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Voltage tuned oscillator
Assignee: KRUSE STORKE ELECTRONICS
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Filing: 1966-03-25
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Granted: 1968-04-09
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Expires: 1986-03-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick W Kruse
- 👤 Jr Frederic P Storke
- 👤 Douglas L Baskins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:20
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/18; H03B5/1805; H03B2201/00; H03B2201/02; H03B2201/0208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2337219A
Cited
US2817761A
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US3108239A
Cited
US3067394A
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US3162824A
Cited
US3271698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |