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US3153161A
Expired / Lapsed
US
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Synchronous motor
Assignee: Dale Electronics Inc
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Filing: 1962-05-31
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Granted: 1964-10-13
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Expires: 1982-05-31
Abstract
No abstract record available.
Inventors
- 👤 Gustave O Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:29
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/02; H02K19/04; H02K19/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A STATOR FOR AN ELECTRIC MOTOR OF THE HYSTERESIS TYPE, SAID STATOR COMPRISING, IN COMBINATION: (A) A HOLLOW CYLINDER HAVING A WALL THICKNESS ON THE ORDER OF 1/32 INCH; (B) A PLURALITY OF EVENLY-SPACED ARMS EXTENDING RADIALLY OUTWARD FOR EQUAL DISTANCES FROM SAID CYLINDER; (C) AN OUTER RING ENCIRCLING AND ENGAGING THE OUTER ENDS OF SAID ARMS; (D) A CONTINUOUS WEB TO WHICH SAID ARMS ARE JOINED AT THEIR INNER ENDS; SAID WEB HAVING A CENTER BORE; (E) SAID WEB HAVING A SLOT OPENING BETWEEN EACH TWO ARMS WITH THE SLOT OPENING HAVING A WIDTH SUBSTANTIALLY FORTY THOUSANDS OF AN INCH; SAID SLOT OPENING EXTENDING IN A DIRECTION PARALLEL TO THE LONGITUDINAL AXIS OF SAID BORE.
Claim 2
Dependent Claim
116 words
A STATOR FOR AN ELECTRIC MOTOR OF THE HYSTERESIS TYPE, SAID STATOR COMPRISING, IN COMBINATION: (A) A HOLLOW CYLINDER HAVING A WALL THICKNESS ON THE ORDER OF 1/32 INCH; (B) A PLURALITY OF EVENLY-SPACED ARMS EXTENDING RADIALLY OUTWARD FOR EQUAL DISTANCES FROM SAID CYLINDER; (C) AN OUTER RING ENCIRCLING AND ENGAGING THE OUTER ENDS OF SAID ARMS; (D) A CONTINUOUS WEB TO WHICH SAID ARMS ARE JOINED AT THEIR INNER ENDS; SAID WEB HAVING A CENTER BORE; (E) SAID WEB HAVING A SLOT OPENING BETWEEN EACH TWO ARMS WITH THE SLOT OPENING HAVING A WIDTH SUBSTANTIALLY FORTY THOUSANDS OF AN INCH; SAID SLOT OPENING EXTENDING IN A DIRECTION PARALLEL TO THE LONGITUDINAL AXIS OF SAID BORE.
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) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |