US3328660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for converting single phase to multiphase alternating current
Assignee: General Electric Co
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Filing: 1965-04-14
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Granted: 1967-06-27
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Expires: 1985-04-14
Abstract
No abstract record available.
Inventors
- 👤 Robert A Dunbar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:51
CPC Classifications
H; H02; H02M; H02M5/00; H02M5/02; H02M5/04; H02M5/22; H02M5/25; H02M5/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
APPARATUS FOR CONVERTING SINGLE PHASE ALTERNATING CURRENT TO MULTIPHASE ALTERNATING CURRENT COMPRISING: (A) A PAIR OF PARALLEL CONNECTED, CONTROLLED SWITHCHING MEANS FOR EACH PHASE OF CURRENT TO BE GENERATED EACH OF SAID CONTROLLED SWITCHING MEANS HAVING A CONTROL MEANS, (B) AN OUTPUT CIRCUIT FOR EACH PHASE OF CURRENT GENERATED, EACH OF SAID OUTPUT CIRCUITS BEING CONNECTED IN SERIES WITH A CORRESPONDING PAIR OF SAID PARALLEL CONNECTED CONTROLLED SWITCHING MEANS, (C) A PLURALITY OF CONTROLLED SWITCHES, (D) MEANS CONNECTING PREDETERMINED OF SAID CONTROLLED SWITCHING MEANS TO SAID CONTROLLED SWITCHES,
Claim 2
Dependent Claim
88 words
APPARATUS FOR CONVERTING SINGLE PHASE ALTERNATING CURRENT TO MULTIPHASE ALTERNATING CURRENT COMPRISING: (A) A PAIR OF PARALLEL CONNECTED, CONTROLLED SWITHCHING MEANS FOR EACH PHASE OF CURRENT TO BE GENERATED EACH OF SAID CONTROLLED SWITCHING MEANS HAVING A CONTROL MEANS, (B) AN OUTPUT CIRCUIT FOR EACH PHASE OF CURRENT GENERATED, EACH OF SAID OUTPUT CIRCUITS BEING CONNECTED IN SERIES WITH A CORRESPONDING PAIR OF SAID PARALLEL CONNECTED CONTROLLED SWITCHING MEANS, (C) A PLURALITY OF CONTROLLED SWITCHES, (D) MEANS CONNECTING PREDETERMINED OF SAID CONTROLLED SWITCHING MEANS TO SAID CONTROLLED SWITCHES,
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) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |