US3484699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dividing circuit with binary logic switch in feedback circuit to change dividing factor
Assignee: Boeing North American Inc
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Filing: 1967-01-06
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Granted: 1969-12-16
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Expires: 1987-01-06
Abstract
No abstract record available.
Inventors
- 👤 Jack D Israel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:21
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/64; H03K23/66; H03K23/667
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2697549A
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US2806947A
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US3023373A
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US3287648A
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US3375448A
Cited
US3375449A
Cited
US3409761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |