US3445684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed trailing edge bistable multivibrator
Assignee: Corning Glass Works
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Filing: 1965-12-15
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Granted: 1969-05-20
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Expires: 1985-12-15
Abstract
No abstract record available.
Inventors
- 👤 David C Uimari
- 👤 Kerry A Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:14
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/01; H03K3/013
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
A LAGGING EDGE TRIGGERED TRANSISTORIZED FLIP-FLOP OF THE TYPE COMPRISING A BASIC BISTABLE CIRCUIT HAVING FIRST AND SECOND SWITHCING INPUTS, THE IMPROVEMENT, COMPRISING A FIRST TRANSISTOR HAVING AN EMITTER CONNECTED TO SAID FIRST SWITCHING INPUT AND A COLLECTOR ADAPTED TO BE CONNECTED TO A POWER SUPPLY, FIRST IMPEDANCE MEANS HAVING FIRST AND SECOND TERMINALS, THE FIRST TERMINAL BEING CONNECTED TO THE BASE OF SAID FIRST TRANSISTOR AND THE SECOND TERMINAL BEING ADAPTED TO BE CONNECTED TO SAID POWER SUPPLY, A SECOND TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, SAID COLLECTOR ELECTRODE BEING CONNECTED TO THE BASE OF SAID FIRST TRANSISTOR, AND THE EMITTER BEING CONNECTED TO AN ELECTRICAL REFERENCE TERMINAL, A SECOND IMPEDANCE COMPRISING FIRST AND SECOND RESISTORS CONNECTED TOGETHER AT A COMMON TERMINAL, SAID SECOND IMPEDANCE HAVING FIRST AND SECOND TERMINALS, THE FIRST TERMINAL BEING
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |