Patent US3264549A successfully refreshed from Google Patents.
US3264549A
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Static frequency multiplying system
Assignee: Park Ohio Holdings Corp
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Filing: 1962-05-28
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Granted: 1966-08-02
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Biringer Paul Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:48
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/02; H01F38/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
142 words
A STATIC FREQUENCY MULTIPLIER HAVING AN ALTERNATING CURRENT MULTIPHASE SOURCE, LINEAR REACTANCES INTERPOSED BETWEEN NON-LINEAR INDUCTANCES AND THE CORRESPONDING PHASE OF SAID SOURCE, A STAR CONNECTION POINT CONNECTING THE NON-LINEAR INDUCTANCES, TRANSFORMERS HAVING PRIMARY STRUCTURES, SAID TRANSFORMERS INTERPOSED BETWEEN SAID LINEAR REACTANCES AND NON-LINEAR INDUCTANCES, SAID PRIMARY STRUCTURES BEING CONNECTED TO SEPARATE PHASES OF SAID SOURCE BY END WINDINGS, SAID PRIMARY STRUCTURES BEING CONNECTED BY ANOTHER PORTION OF THEIR WINDINGS TO A COMMON POINT, SECONDARY WINDINGS CONNECTED IN PARALLEL THROUGH CONDENSERS DISPOSED ACROSS THE TERMINALS OF SAID WINDINGS, SAID SECONDARY WINDINGS BEING MAGNETICALLY COUPLED TO THE PRIMARY STRUCTURES OF SAID TRANSFORMERS PROVIDING A SHORT CIRCUITED PATH FOR SINGLE PHASE THIRD HARMONIC CURRENTS OR MULTIPLES THEREOF AND HAVING AN EFFECTIVELY NEUTRAL POINT CREATING A POTENTIAL DIFFERENCE BETWEEN SAID STAR CONNECTION POINT AND SAID EFFECTIVELY NEUTRAL POINT, A LOAD BEING LOCATED BETWEEN SAID POINTS.
References Cited (Backward Citations)
US2451189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |