US3146363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor and method of making same
Assignee: Ingraham Co
•
Filing: 1960-12-21
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Granted: 1964-08-25
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Expires: 1980-12-21
Abstract
No abstract record available.
Inventors
- 👤 Philip A Sidell
- 👤 William C Schaffrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:08
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/16; H; H02; H02K; H02K21/00; H02K21/12; H02K21/14; H02K21/145; H02K2201/00; H02K2201/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
A UNITARY MOTOR AND GEAR CASE ASSEMBLY COMPRISING A HOUSING HAVING REAR AND SIDE WALLS, A PLURALITY OF CIRCULARLY ARRANGED POLES INTEGRAL WITH SAID REAR WAL LAND EXTENDING INTO SAID HOUSINGS, A FIELD WINDING DISPOSED ABOUT SAID POLES, A FIELD PLATE, MEANS ON SAID HOUSING SUPPORTING SAID FIELD PLATE ADJACENT SAID FIELD WINDING AND INTERMEDIATE THE ENDS OF SAID HOUSING SIDE WALL, SAID FIELD PLATE HAVING A PLURALITY OF FIELD POLES INTEGRAL THEREWITH, MATING APERTURES IN SAID HOUSING AND SAID FIELD PLATE POSITIONED TO COAXIALLY ALIGN THE FIELD POLES THEREON WHEN THE MATING APERTURES ARE ALIGNED, A COVER PLATE, MOUNTING MEANS SECURED TO SAID COVER PLATE AND EXTENDING THROUGH THE MATING APERTURES IN SAID FIELD PLATE AND SAID HOUSING, SAID MOUNTING MEANS SPACING SAID COVER PLATE FROM SAID FIELD PLATE AND ADJACENT THE OPEN END OF SAID HOUSING TO CLOSE SAID HOUSING, A ROTOR ARBOR SECURED TO SAID COVER PLATE AND POSITIONED THEREON TO LIE ALONG THE AXIS OF SAID FIELD POLES WHEN SAID MOUNTING MEANS EXTENDS THROUGH THE ALIGNED APERTURES IN SAID HOUSING AND SAID FIELD PLATE, A ROTOR ON SAID ARBOR, AN OUTPUT SHAFT JOURNALED BETWEEN SAID FIELD PLATE AND SAID COVER PLATE, AND A GEAR TRAIN DISPOSED WITHIN THE SPACE BETWEEN SAID HOUSING, SAID FIELD PLATE AND SAID COVER PLATE AND OPERATIVELY CONNECTING SAID ROTOR AND SAID OUTPUT SHAFT.
Claim 2
Dependent Claim
222 words
A UNITARY MOTOR AND GEAR CASE ASSEMBLY COMPRISING A HOUSING HAVING REAR AND SIDE WALLS, A PLURALITY OF CIRCULARLY ARRANGED POLES INTEGRAL WITH SAID REAR WAL LAND EXTENDING INTO SAID HOUSINGS, A FIELD WINDING DISPOSED ABOUT SAID POLES, A FIELD PLATE, MEANS ON SAID HOUSING SUPPORTING SAID FIELD PLATE ADJACENT SAID FIELD WINDING AND INTERMEDIATE THE ENDS OF SAID HOUSING SIDE WALL, SAID FIELD PLATE HAVING A PLURALITY OF FIELD POLES INTEGRAL THEREWITH, MATING APERTURES IN SAID HOUSING AND SAID FIELD PLATE POSITIONED TO COAXIALLY ALIGN THE FIELD POLES THEREON WHEN THE MATING APERTURES ARE ALIGNED, A COVER PLATE, MOUNTING MEANS SECURED TO SAID COVER PLATE AND EXTENDING THROUGH THE MATING APERTURES IN SAID FIELD PLATE AND SAID HOUSING, SAID MOUNTING MEANS SPACING SAID COVER PLATE FROM SAID FIELD PLATE AND ADJACENT THE OPEN END OF SAID HOUSING TO CLOSE SAID HOUSING, A ROTOR ARBOR SECURED TO SAID COVER PLATE AND POSITIONED THEREON TO LIE ALONG THE AXIS OF SAID FIELD POLES WHEN SAID MOUNTING MEANS EXTENDS THROUGH THE ALIGNED APERTURES IN SAID HOUSING AND SAID FIELD PLATE, A ROTOR ON SAID ARBOR, AN OUTPUT SHAFT JOURNALED BETWEEN SAID FIELD PLATE AND SAID COVER PLATE, AND A GEAR TRAIN DISPOSED WITHIN THE SPACE BETWEEN SAID HOUSING, SAID FIELD PLATE AND SAID COVER PLATE AND OPERATIVELY CONNECTING SAID ROTOR AND SAID OUTPUT SHAFT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |