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Patent US3477039A successfully refreshed from Google Patents.
US3477039A
Expired / Lapsed
US
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Voltage controlled crystal oscillator
Assignee: Raytheon Co
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Filing: 1968-03-14
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Granted: 1969-11-04
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Expires: 1988-03-14
Abstract
No abstract record available.
Inventors
- 👤 Yum T Chan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:41
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/30; H03B5/32; H03B5/36; H03B5/366; H03B5/368; H03B2200/00; H03B2200/003; H03B2200/004; H03B5/362; H03B5/364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3358244A
Cited
FR1473273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |