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Patent US3397367A successfully refreshed from Google Patents.
US3397367A
Expired / Lapsed
US
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Temperature compensated crystal oscillator
Assignee: Motorola Solutions Inc
•
Filing: 1967-01-12
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Granted: 1968-08-13
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Expires: 1987-01-12
Abstract
No abstract record available.
Inventors
- 👤 Francis R Steel
- 👤 George R Gawell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:57
CPC Classifications
H; H03; H03L; H03L1/00; H03L1/02; H03L1/022; H03L1/023; H03B; H03B5/00; H03B5/30; H03B5/32; H03B5/36; H03B5/366; H03B5/368
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3054966A
Cited
US3176244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |