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US3264549A Expired / Lapsed US ⏱️ 0.0 years remaining

Static frequency multiplying system

Assignee: Park Ohio Holdings Corp
•
Filing: 1962-05-28
•
Granted: 1966-08-02
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Expires: 1982-05-28
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Abstract

No abstract record available.

Inventors

  • 👤 Biringer Paul Peter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 12:54
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

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