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US3176171A Expired / Lapsed US ⏱️ 0.0 years remaining

Electromagnetic oscillatory drive

Assignee: CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement
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Filing: 1962-03-09
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Granted: 1965-03-30
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Expires: 1982-03-09
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Abstract

No abstract record available.

Inventors

  • 👤 Baumgartner Werner Richard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 00:52
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/08; G04C3/10; G04C3/101; G04C3/107

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 135 words
AN OSCILLATORY MOTOR FOR CONTROLLING AN ELECTRONIC TIME-PIECE COMPRISING, AN ELECTRONIC CIRCUIT FOR ENERGIZING SAID MOTOR INCLUDING A DRIVING WINDING AND A CONTROL WINDING, A U-SHAPED FERROMAGNETIC CORE INCLUDING TWO LEGS CARRYING RESPECTIVELY SAID DRIVING WINDING AND SAID CONTROL WINDING, THE FREE TERMINAL SURFACES OF WHICH ARE SEPARATED BY A VERY NARROW GAP OF ABOUT 0.1 MM., AT A SMALL DISTANCE THEREFROM, A MAGNET BAR, THE LONGITUDINAL AXIS OF SAID BAR EXTENDING PERPENDICULARLY TO THE TERMINAL SURFACES OF THE CORE LEGS AND PASSING NORMALLY THROUGH THE MIDDLE OF SAID GAP TO OSCILLATE IN FRONT OF THE GAP UNDER THE ACTION OF THE COOPERATING ELECTRONIC CIRCUIT, AND A U-SHAPED ARMATURE, INCLUDING TWO LEGS EXTENDING SYMMETRICALLY TO EITHER SIDE OF SAID MAGNET BAR, IN PARALLELISM THEREWITH IN THE PLANE INCLUDING THE LONGITUDINAL AXES OF THE CORE LEGS.
Claim 2
Dependent Claim 135 words
AN OSCILLATORY MOTOR FOR CONTROLLING AN ELECTRONIC TIME-PIECE COMPRISING, AN ELECTRONIC CIRCUIT FOR ENERGIZING SAID MOTOR INCLUDING A DRIVING WINDING AND A CONTROL WINDING, A U-SHAPED FERROMAGNETIC CORE INCLUDING TWO LEGS CARRYING RESPECTIVELY SAID DRIVING WINDING AND SAID CONTROL WINDING, THE FREE TERMINAL SURFACES OF WHICH ARE SEPARATED BY A VERY NARROW GAP OF ABOUT 0.1 MM., AT A SMALL DISTANCE THEREFROM, A MAGNET BAR, THE LONGITUDINAL AXIS OF SAID BAR EXTENDING PERPENDICULARLY TO THE TERMINAL SURFACES OF THE CORE LEGS AND PASSING NORMALLY THROUGH THE MIDDLE OF SAID GAP TO OSCILLATE IN FRONT OF THE GAP UNDER THE ACTION OF THE COOPERATING ELECTRONIC CIRCUIT, AND A U-SHAPED ARMATURE, INCLUDING TWO LEGS EXTENDING SYMMETRICALLY TO EITHER SIDE OF SAID MAGNET BAR, IN PARALLELISM THEREWITH IN THE PLANE INCLUDING THE LONGITUDINAL AXES OF THE CORE LEGS.

References Cited (Backward Citations)

US1541138A Cited
US2079421A Cited
US2843742A Cited
US2831114A Cited
US2960817A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-03-29 1968-09-28 1969-03-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-03-29 1972-09-28 1973-03-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-03-29 1976-09-28 1977-03-30 $7700.00 Window Closed / Lapsed

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