US3344331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic current reverser
Assignee: Biviator AG
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Filing: 1963-05-31
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Granted: 1967-09-26
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Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Adler Karl
- 👤 Buren Ruti
- 👤 Ducommun Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:56
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/64; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/24; H02P7/28; H02P7/285; H02P7/29; H03K17/66; H03K17/661; H03K17/662
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A CURRENT REVERSER COMPRISING A DIRECT CURRENT SOURCE AND A CONSUMER, A BRIDGE CIRCUIT HAVING CONTROLLABLE CIRCUIT ELEMENTS SUCH AS TRANSISTORS IN ITS BRANCHES, SAID DIRECT CURRENT SOURCE BEING CONNECTED TO THE INPUT OF SAID BRIDGE CIRCUIT AND SAID CONSUMER BEING CONNECTED TO THE OUTPUT OF SAID BRIDGE CIRCUIT, A CONTROL CIRCUIT ASSOCIATED WITH EACH OF SAID CONTROLLABLE ELEMENTS, EACH OF SAID CONTROL CIRCUITS BEING INDEPENDENT OF ANY OTHER CONTROL CIRCUIT AND COMPRISING A PAIR OF VARIABLE DIRECT CURRENT SOURCES CONTINUOUSLY INTERCONNECTED IN DIFFERENTIAL ARRANGEMENT FOR CONTROL OF EACH CONTROLLABLE ELEMENT BY THE DIRECT VOLTAGE DIFFERENCE OF THE PAIR OF DIRECT CURRENT SOURCES ASSOCIATED WITH IT.
Claim 2
Dependent Claim
106 words
A CURRENT REVERSER COMPRISING A DIRECT CURRENT SOURCE AND A CONSUMER, A BRIDGE CIRCUIT HAVING CONTROLLABLE CIRCUIT ELEMENTS SUCH AS TRANSISTORS IN ITS BRANCHES, SAID DIRECT CURRENT SOURCE BEING CONNECTED TO THE INPUT OF SAID BRIDGE CIRCUIT AND SAID CONSUMER BEING CONNECTED TO THE OUTPUT OF SAID BRIDGE CIRCUIT, A CONTROL CIRCUIT ASSOCIATED WITH EACH OF SAID CONTROLLABLE ELEMENTS, EACH OF SAID CONTROL CIRCUITS BEING INDEPENDENT OF ANY OTHER CONTROL CIRCUIT AND COMPRISING A PAIR OF VARIABLE DIRECT CURRENT SOURCES CONTINUOUSLY INTERCONNECTED IN DIFFERENTIAL ARRANGEMENT FOR CONTROL OF EACH CONTROLLABLE ELEMENT BY THE DIRECT VOLTAGE DIFFERENCE OF THE PAIR OF DIRECT CURRENT SOURCES ASSOCIATED WITH IT.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |