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US3215873A Expired / Lapsed US ⏱️ 0.0 years remaining

Motor protective means

Assignee: Texas Instruments Inc
•
Filing: 1960-05-27
•
Granted: 1965-11-02
•
Expires: 1980-05-27
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Abstract

No abstract record available.

Inventors

  • 👤 Curtis F Kruger
  • 👤 Jr Harry F Rice

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 16:34
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/54; H01H37/5427; H01H37/5436; H02; H02K; H02K11/00; H02K11/20; H02K11/25

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 136 words
IN COMBINATION: A MOTOR HAVING A PLURALITY OF WINDINGS; A THERMALLY CONDUCTIVE METALLIC STRIP MOUNTED IN HEAT EXCHANGE RELATIONSHIP WITH AT LEAST ONE OF SAID WINDINGS; A PORTION OF SAID STRIP MEMBER BEING DEFORMED AND ABLY MOUNTED ELEMENT DRIVEN BY SAID ARMATURE WHEN OSCILLATED TO EITHER OF SAID OSCILLATED POSITIONS, SAID ARMATURE HAVING TWO RESILIENT ARMS OSCILLATABLE TOWARD SAID DRIVEN ELEMENT IN TIMED RELATIONSHIP WITH SAID OSCILLATIONS OF SAID ARMATURE TO SAID OSCILLATED POSITIONS, FOR FRICTIONALLY ENGAGING SAID DRIVEN ELEMENT AND MOVING IT IN A DIRECTION IN WHICH SAID ARMATURE IS OSCILLATED, MEANS TO SYNCHRONIZE THE OSCILLATIONS OF SAID ARMATURE TO EITHER OF SAID TWO OSCILLATED POSITIONS AND THE FRICTIONAL CONTACT OF SAID ARMS WITH SAID DRIVEN ELEMENT DURING OSCILLATION OF SAID ARMATURE TOWARD SAID POSITIONS THEREBY TO DRIVE SAID DRIVEN ELEMENT IN A GIVEN DIRECTION.

References Cited (Backward Citations)

US1947078A Cited
US2369986A Cited
US2893671A Cited
US2885905A Cited
US2907852A Cited
US2921147A Cited
GB835191A Cited
US2909719A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-01 1969-05-03 1969-11-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-01 1973-05-03 1973-11-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-01 1977-05-03 1977-11-02 $7700.00 Window Closed / Lapsed

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