US3436569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machine stator assembly with end turn encapsulation
Assignee: HENRY P WALKER
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Filing: 1966-10-26
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Granted: 1969-04-01
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Expires: 1986-10-26
Abstract
No abstract record available.
Inventors
- 👤 Robert J Flaherty Jr
- 👤 Henry P Walker
- 👤 John A Kimball Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:05
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/46; H02K3/50; H02K1/00; H02K1/06; H02K1/12; H02K1/16; H02K3/44; H02K5/00; H02K5/04; H02K5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A LAMINATION SECURING DEVICE FOR A STACK OF LAMINATIONS FOR A DYNAMOELECTRIC MACHINE, COMPRISING: TWO END CUPS EACH HAVING A TUBULAR PORTION, THE INSIDE DIMENSION OF WHICH IS EQUAL TO THE OUTSIDE DIMENSION OF THE STACK, SAID TUBULAR PORTION HAVING A LENGTH ONE HALF THE LENGTH OF THE STACK, AND BEING OPEN AT ONE END; A FLANGE AT THE OTHER END OF EACH TUBULAR PORTION ATTACHED THERETO EXTENDING INWARDLY PERPENDICULAR TO SAID LENGTH OF THE STACK TO FORM A LAMINATION SECURING PORTION; AND AN ENCAPSULATION SECURING PORTION OF SAID END CUP ATTACHED TO AN INNER PART OF SAID FLANGE AND EXTENDING OUTWARDLY ALONG AND AWAY FROM THE LENGTH OF SAID STACK TO ENGAGE PLASTIC ENCAPSULATING MATERIAL.
Claim 2
Dependent Claim
116 words
A LAMINATION SECURING DEVICE FOR A STACK OF LAMINATIONS FOR A DYNAMOELECTRIC MACHINE, COMPRISING: TWO END CUPS EACH HAVING A TUBULAR PORTION, THE INSIDE DIMENSION OF WHICH IS EQUAL TO THE OUTSIDE DIMENSION OF THE STACK, SAID TUBULAR PORTION HAVING A LENGTH ONE HALF THE LENGTH OF THE STACK, AND BEING OPEN AT ONE END; A FLANGE AT THE OTHER END OF EACH TUBULAR PORTION ATTACHED THERETO EXTENDING INWARDLY PERPENDICULAR TO SAID LENGTH OF THE STACK TO FORM A LAMINATION SECURING PORTION; AND AN ENCAPSULATION SECURING PORTION OF SAID END CUP ATTACHED TO AN INNER PART OF SAID FLANGE AND EXTENDING OUTWARDLY ALONG AND AWAY FROM THE LENGTH OF SAID STACK TO ENGAGE PLASTIC ENCAPSULATING MATERIAL.
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) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |