US3066231A
Expired / Lapsed
US
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Flip-flop circuit having pulse-forming networks in the cross-coupling paths
Assignee: International Business Machines Corp
•
Filing: 1958-07-30
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Granted: 1962-11-27
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Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Slobodzinski
- 👤 Gordon W Neff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:43
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/01; H03K3/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3008055A
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US2840728A
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US2927242A
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US2846583A
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US2924788A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |