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US3564468A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for controlling electric circuits by the effect of a plurality of members influenced by a magnetic field and arranged in parallel

Assignee: Telemecanique SA
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Filing: 1969-06-17
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Granted: 1971-02-16
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Expires: 1989-06-17
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Abstract

Abstract APPARATUS FOR CONTROLLING ELECTRIC CIRCUITS BY THE EFFECT OF A PLURALITY OF MEMBERS INFLUENCED BY A MAGNETIC FIELD AND ARRANGED IN PARALLEL, COMPRISING TWO PORTIONS OF WHICH ONE HAS A RELATIVE MOVEMENT WITH RESPECT TO THE OTHER, ONE PORTION CARRYING MEMBERS ASSOCIATED WITH A MAGNETIC FIELD IS FORMED BY A PLATE CAPABLE OF SUPPORTING A PLURALITY OF THE SAID MEMBERS, IN PARALLEL LINES, THE SAID PLATE BEING CONSTITUTED BY A CHANNELLED MEMBER WITH A CRENELLATED SECTION SO THAT IT IS PROVIDED ON ONE SIDE WITH A SERIES OF FIRST PARALLEL GROOVES RECEIVING THE SAID MEMBERS AND ON THE OTHER SIDE WITH A SERIES OF OTHER GROOVES INVERTED, A PORTION CARRYING ELEMENTS INFLUENCED BY THE VARIATION OF THE MAGNETIC FIELD IS CONSTITUTED BY A UNIT CAPABLE OF SUPPORTING A PLURALITY OF THESE ELEMENTS IN PARALLEL LINES, EACH ELEMENT HAVING TWO MAGNETIZABLE POLE-CHEEKS WHICH PROJECT SO AS TO EMBRACE THE MEMBERS ASSOCIATED WITH THE FIELD, CARRIED BY THE OTHER PORTION, A PLURALITY OF MAGNETIZABLE GUTTERS WITH FLANGES BEING MOVED PARALLEL TO EACH OTHER IN THE INVERTED GROOVES OF THE SAID PLATE, EACH GUTTER HAVING A GAP SOLELY AT THE POSITION OF THE SENSITIVE ELEMENT WITH WHICH IT IS ASSOCIATED, WHILE THE TWO GUTTERS LOCATED IMMEDIATELY ON EACH SIDE HAVE THEIR GAPS LOCATED AT DIFFERENT POINTS.

Inventors

  • 👤 Gerard Sablayrolles
  • 👤 Jean-Claude Taulaigo
  • 👤 Jean Lescarboura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 00:16
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/24; G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/0405; H01H36/00; H01H36/0006

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-02-15 1974-08-17 1975-02-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-15 1978-08-17 1979-02-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-15 1982-08-17 1983-02-16 $7700.00 Window Closed / Lapsed

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