Patent US4233618A successfully refreshed from Google Patents.
Patent US3283256A successfully refreshed from Google Patents.
US3283256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
"n" stable multivibrator
Assignee: Individual
•
Filing: 1963-03-25
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Granted: 1966-11-01
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Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Hurowitz Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:58
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/04; H03K3/05; H03K3/06; H03K3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN "N" STABLE MULTIVIBRATOR COMPRISING: "N" ELECTRON TUBE STAGES, EACH STAGE HAVING A TRIODE ELECTRON TUBE, A DIODE NETWORK, INPUT CIRCUIT MEANS, AND OUTPUT CIRCUIT MEANS; MEANS TO CONNECT THE CATHODES OF ALL SAID TRIODE ELECTRON TUBES TO A COMMON POINT; MEANS TO APPLY SEPARATE INPUT SIGNALS TO THE INPUT CIRCUIT OF EACH OF SAID TRODES; AND MEANS TO COUPLE THE OUTPUT CIRCUIT OF EACH SAID ELECTRON TUBE TO ALL BUT ONE OF SAID DIODE NETWORDKS.
Claim 2
Dependent Claim
76 words
AN "N" STABLE MULTIVIBRATOR COMPRISING: "N" ELECTRON TUBE STAGES, EACH STAGE HAVING A TRIODE ELECTRON TUBE, A DIODE NETWORK, INPUT CIRCUIT MEANS, AND OUTPUT CIRCUIT MEANS; MEANS TO CONNECT THE CATHODES OF ALL SAID TRIODE ELECTRON TUBES TO A COMMON POINT; MEANS TO APPLY SEPARATE INPUT SIGNALS TO THE INPUT CIRCUIT OF EACH OF SAID TRODES; AND MEANS TO COUPLE THE OUTPUT CIRCUIT OF EACH SAID ELECTRON TUBE TO ALL BUT ONE OF SAID DIODE NETWORDKS.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |