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US3083310A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric motor having a permanent magnet stator

Assignee: Controls Company of America
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Filing: 1960-03-11
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Granted: 1963-03-26
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Expires: 1980-03-11
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Abstract

No abstract record available.

Inventors

  • 👤 James W Tweedy
  • 👤 Latta Edward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:59
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/17

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 72 words
IN A DYNAMOELECTRIC MACHINE, A THIN CYLINDRICAL HOUSING, AN ARMATURE POSITIONED TO ROTATE WITHIN SAID HOUSING, SAID ARMATURE HAVING A PLURALITY OF COIL SLOTS, A STATOR INCLUDING A PAIR OF POLE SEGMENTS AND A PAIR OF WEDGES FORCING THE POLE SEGMENTS AGAINST THE CYLINDRICAL HOUSING, AND A PAIR OF MOUNTING BOLTS PASSING THROUGH THE WEDGES TO HOLD THE STATOR FROM ROTATION, THE BOLTS BEING MAGNETICALLY SHIELDED FROM THE ARMATURE BY THE WEDGE.
Claim 2
Dependent Claim 72 words
IN A DYNAMOELECTRIC MACHINE, A THIN CYLINDRICAL HOUSING, AN ARMATURE POSITIONED TO ROTATE WITHIN SAID HOUSING, SAID ARMATURE HAVING A PLURALITY OF COIL SLOTS, A STATOR INCLUDING A PAIR OF POLE SEGMENTS AND A PAIR OF WEDGES FORCING THE POLE SEGMENTS AGAINST THE CYLINDRICAL HOUSING, AND A PAIR OF MOUNTING BOLTS PASSING THROUGH THE WEDGES TO HOLD THE STATOR FROM ROTATION, THE BOLTS BEING MAGNETICALLY SHIELDED FROM THE ARMATURE BY THE WEDGE.

References Cited (Backward Citations)

US2201699A Cited
US2692345A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-03-25 1966-09-24 1967-03-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-03-25 1970-09-24 1971-03-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-03-25 1974-09-24 1975-03-26 $7700.00 Window Closed / Lapsed

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