Patent US3260857A successfully refreshed from Google Patents.
US3260857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multivibrator circuits having a wide range of control
Assignee: Unisys Corp
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Filing: 1963-07-11
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Granted: 1966-07-12
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 Frank W Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:17
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/284
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A MULTIVIBRATOR HAVING A STABLE STATE AND A SET STATE; A VARIABLE TIMING MEANS IN SAID MULTIVIBRATOR FOR SELECTIVELY VARYING THE TIME SAID MULTIVIBRATOR IS HELD IN SAID SET STATE, SAID TIMING MEANS COMPRISING: A FIRST CAPACITIVE MEANS, A SECOND CAPACITIVE MEANS, RESISTIVE MEANS SERIES CONNECTED WITH SAID SECOND CAPACITANCE MEANS, MEANS CONNECTING ONE END OF EACH OF SAID FIRST AND SECOND CAPACITIVE MEANS, AND MEANS SELECTIVELY VARIABLE BETWEEN TWO LIMITS FOR CONNECTING SAID FIRST AND SECOND
Claim 2
Dependent Claim
77 words
A MULTIVIBRATOR HAVING A STABLE STATE AND A SET STATE; A VARIABLE TIMING MEANS IN SAID MULTIVIBRATOR FOR SELECTIVELY VARYING THE TIME SAID MULTIVIBRATOR IS HELD IN SAID SET STATE, SAID TIMING MEANS COMPRISING: A FIRST CAPACITIVE MEANS, A SECOND CAPACITIVE MEANS, RESISTIVE MEANS SERIES CONNECTED WITH SAID SECOND CAPACITANCE MEANS, MEANS CONNECTING ONE END OF EACH OF SAID FIRST AND SECOND CAPACITIVE MEANS, AND MEANS SELECTIVELY VARIABLE BETWEEN TWO LIMITS FOR CONNECTING SAID FIRST AND SECOND
References Cited (Backward Citations)
US2680231A
Cited
US2800586A
Cited
US2945966A
Cited
US3068406A
Cited
DE1107271B
Cited
DE1126920B
Cited
US3153153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |