Patent US1876536A successfully refreshed from Google Patents.
Patent US2775703A successfully refreshed from Google Patents.
US2775703A
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Circuit-arrangement comprising a frequency-stabilized oscillator
Assignee: Hartford National Bank and Trust Co
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Filing: 1953-05-18
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Granted: 1956-12-25
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Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 Bourgonjon Louis Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:34
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/06; H03L7/08; H03L7/10; H03L7/12; H03L7/16; H03L7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2268872A
Cited
US2287925A
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US2434294A
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US2572343A
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US2617037A
Cited
US2601436A
Cited
US2631239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |