Patent US3369183A successfully refreshed from Google Patents.
US3369183A
Expired / Lapsed
US
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Binary frequency divider circuit having externally adjustable frequency selection means and reset means
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1965-07-12
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Granted: 1968-02-13
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Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 Mester Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:26
CPC Classifications
H; H03; H03K; H03K21/00; G; G06; G06F; G06F7/00; G06F7/60; G06F7/68; H03K23/00; H03K23/64; H03K23/66; H03K23/665; H03K5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |