Patent US3123729A successfully refreshed from Google Patents.
US3123729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stators for electric motors and generators
Assignee: Umicore NV SA
•
Filing: 1960-12-01
•
Granted: 1964-03-03
•
Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Fagel Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:52
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/42; H02K3/46; H02K3/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN END STRUCTURE FOR A ROTARY ELECTRIC MACHINE HAVING STATOR LAMINATIONS, SAID STRUCTURE COMPRISING: AN ENDPLATE FOR CLAMPING THE STATOR LAMINATIONS OF SAID MACHINE; SAID END PLATE BEING FORMED OF CONDUCTIVE MATERIAL AND INCLUDING A SUBSTANTIALLY CYLINDRICAL PART AND RADIAL TEETH EXTENDING INWARDLY OF SAID CYLINDRICAL PART AT ONE END THEREOF AND ADAPTED TO LIE OVER SAID STATOR LAMINATIONS; STATOR CONDUCTORS HAVING EXTREMITIES EXTENDING BETWEEN SAID TEETH AND DISTRIBUTED AROUND THE INNER SURFACE OF SAID CYLINDRICAL PART; ANCHORING MEANS ON THE INNER SURFACE OF SAID PART; INSULATING PLASTIC MATERIAL CAST AROUND SAID INNER SURFACE, SO AS TO COMPLETELY EMBED THE EXTREMITIES OF SAID CONDUCTORS, AND INTEGRATED TO SAID INNER SURFACE THROUGH SAID ANCHORING MEANS WHEREBY SAID END PLATE, STATOR CONDUCTOR AND PLASTIC MATERIAL FORM AN INTEGRATED END STRUCTURE.
Claim 2
Dependent Claim
128 words
AN END STRUCTURE FOR A ROTARY ELECTRIC MACHINE HAVING STATOR LAMINATIONS, SAID STRUCTURE COMPRISING: AN ENDPLATE FOR CLAMPING THE STATOR LAMINATIONS OF SAID MACHINE; SAID END PLATE BEING FORMED OF CONDUCTIVE MATERIAL AND INCLUDING A SUBSTANTIALLY CYLINDRICAL PART AND RADIAL TEETH EXTENDING INWARDLY OF SAID CYLINDRICAL PART AT ONE END THEREOF AND ADAPTED TO LIE OVER SAID STATOR LAMINATIONS; STATOR CONDUCTORS HAVING EXTREMITIES EXTENDING BETWEEN SAID TEETH AND DISTRIBUTED AROUND THE INNER SURFACE OF SAID CYLINDRICAL PART; ANCHORING MEANS ON THE INNER SURFACE OF SAID PART; INSULATING PLASTIC MATERIAL CAST AROUND SAID INNER SURFACE, SO AS TO COMPLETELY EMBED THE EXTREMITIES OF SAID CONDUCTORS, AND INTEGRATED TO SAID INNER SURFACE THROUGH SAID ANCHORING MEANS WHEREBY SAID END PLATE, STATOR CONDUCTOR AND PLASTIC MATERIAL FORM AN INTEGRATED END STRUCTURE.
References Cited (Backward Citations)
US2920218A
Cited
US2975309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |