Patent US3354350A successfully refreshed from Google Patents.
US3354350A
Expired / Lapsed
US
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Two alternate conducting multivibrators powered by ac source
Assignee: Ohio Crankshaft Co
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Filing: 1964-10-27
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Granted: 1967-11-21
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Expires: 1984-10-27
Abstract
No abstract record available.
Inventors
- 👤 Kappenhagen George Andrew
- 👤 Avalon Robert James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:16
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/282; H03K3/2823; H02; H02M; H02M5/00; H02M5/02; H02M5/04; H02M5/22; H02M5/275; H02M5/293; H05; H05B; H05B41/00; H05B41/14; H05B41/26; H05B41/28; H05B41/282; Y; Y02; Y02B; Y02B20/00; Y10; Y10S; Y10S315/00; Y10S315/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A MULTIVIBRATOR CIRCUIT COMPRISING ELECTRONIC SWITCH MEANS CONNECTED IN SERIES WITH A LOAD ACROSS AN ALTERNATING CURRENT SOURCE, UNIDIRECTIONAL CONDUCTOR MEANS CONNECTED ACROSS THE SWITCH MEANS AND IN SERIES WITH THE LOAD, CIRCUIT MEANS CONNECTED TO THE SWITCH MEANS FOR CONTROLLING THE OPERATION OF THE SWITCH MEANS AT A SELECTED FREQUENCY OF OPERATION WHICH IS DIFFERENT FROM THE FREQUENCY OF THE ALTERNATING CURRENT SOURCE, AND OUTPUT MEANS CON-
Claim 2
Dependent Claim
68 words
A MULTIVIBRATOR CIRCUIT COMPRISING ELECTRONIC SWITCH MEANS CONNECTED IN SERIES WITH A LOAD ACROSS AN ALTERNATING CURRENT SOURCE, UNIDIRECTIONAL CONDUCTOR MEANS CONNECTED ACROSS THE SWITCH MEANS AND IN SERIES WITH THE LOAD, CIRCUIT MEANS CONNECTED TO THE SWITCH MEANS FOR CONTROLLING THE OPERATION OF THE SWITCH MEANS AT A SELECTED FREQUENCY OF OPERATION WHICH IS DIFFERENT FROM THE FREQUENCY OF THE ALTERNATING CURRENT SOURCE, AND OUTPUT MEANS CON-
References Cited (Backward Citations)
US2447304A
Cited
US3141140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |