Patent US2760074A successfully refreshed from Google Patents.
US2760074A
Expired / Lapsed
US
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Frequency generator
Assignee: TDK Micronas GmbH
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Filing: 1951-12-20
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Granted: 1956-08-21
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Expires: 1971-12-20
Abstract
No abstract record available.
Inventors
- 👤 Parzen Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:29
CPC Classifications
H; H03; H03B; H03B21/00; H03B21/01; H03B21/02; G; G11; G11C; G11C11/00; G11C11/21; G11C11/26; G11C11/28; H03K; H03K17/00; H03K17/51; H03K17/52; H03K17/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1901043A
Cited
US1851721A
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US1985046A
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US2131558A
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US2248442A
Cited
US2234209A
Cited
US2383005A
Cited
US2445664A
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US2640155A
Cited
US2581594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |