Patent US3206623A successfully refreshed from Google Patents.
US3206623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric synchronous inductor motor
Assignee: Superior Electric Co
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Filing: 1962-04-20
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Granted: 1965-09-14
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Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Snowdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:41
CPC Classifications
H; H02; H02K; H02K21/00; H02K21/12; H02K21/14; H02K21/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
AN ELECTRIC MOTOR OF THE SYNCHRONOUS INDUCTOR TYPE COMPRISING A ROTOR AND A STATOR; SAID STATOR COMPRISING A FIRST ANNULAR POLE FORMING MEMBER AND A SECOND ANNULAR POLE FORMING MEMBER IDENTICAL TO THE FIRST, WINDING MEANS MAGNETICALLY COUPLED TO THE POLE FORMING MEMBERS AND ADAPTED TO BE ENERGIZED BY ELECTRIC CURRENT TO MAGNETIZE THE POLE FORMING MEMBERS, SAID WINDING MEANS COMPRISING A PLURALITY OF COILS WITH EACH COIL BEING MAGNETICALLY COUPLED TO BOTH POLE FORMING MEMBERS, SAID POLE FORMING MEMBERS HAVING A PLURALITY OF RADIALLY INWARDLY PROJECTING POLE PIECES WITH THE INNER ENDS OF THE POLE PIECES BEING FORMED WITH EQUALLY SPACED TEETH; SAID ROTOR COMPRISING A SHAFT, A FIRST PERMANENT MAGNET MAGNETIZED AXIALLY MOUNTED ON SAID SHAFT, FIRST END CAPS SECURED ON SAID SHAFT ONE AT EACH END OF THE PERMANENT MAGNET TO BE MAGNETIZED BY SAID MAGNET, A SECOND PERMANENT MAGNET MAGNETIZED AXIALLY MOUNTED ON SAID SHAFT, SECOND END CAPS SECURED ON SAID SHAFT ONE AT EACH END OF THE PERMANENT MAGNET TO BE MAGNETIZED BY SAID
Claim 2
Dependent Claim
169 words
AN ELECTRIC MOTOR OF THE SYNCHRONOUS INDUCTOR TYPE COMPRISING A ROTOR AND A STATOR; SAID STATOR COMPRISING A FIRST ANNULAR POLE FORMING MEMBER AND A SECOND ANNULAR POLE FORMING MEMBER IDENTICAL TO THE FIRST, WINDING MEANS MAGNETICALLY COUPLED TO THE POLE FORMING MEMBERS AND ADAPTED TO BE ENERGIZED BY ELECTRIC CURRENT TO MAGNETIZE THE POLE FORMING MEMBERS, SAID WINDING MEANS COMPRISING A PLURALITY OF COILS WITH EACH COIL BEING MAGNETICALLY COUPLED TO BOTH POLE FORMING MEMBERS, SAID POLE FORMING MEMBERS HAVING A PLURALITY OF RADIALLY INWARDLY PROJECTING POLE PIECES WITH THE INNER ENDS OF THE POLE PIECES BEING FORMED WITH EQUALLY SPACED TEETH; SAID ROTOR COMPRISING A SHAFT, A FIRST PERMANENT MAGNET MAGNETIZED AXIALLY MOUNTED ON SAID SHAFT, FIRST END CAPS SECURED ON SAID SHAFT ONE AT EACH END OF THE PERMANENT MAGNET TO BE MAGNETIZED BY SAID MAGNET, A SECOND PERMANENT MAGNET MAGNETIZED AXIALLY MOUNTED ON SAID SHAFT, SECOND END CAPS SECURED ON SAID SHAFT ONE AT EACH END OF THE PERMANENT MAGNET TO BE MAGNETIZED BY SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |