US3423619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotors with winding insulation for dynamoelectric machines
Assignee: ZF International UK Ltd
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Filing: 1966-06-20
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Granted: 1969-01-21
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Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Louis Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:37
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/32; H02K3/325; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A ROTOR FOR A DYNAMOELECTRIC MACHINE OF THE KIND SPECIFIED IN WHICH THE FORMER COMPRISES A ONE PIECE INSULATING MEMBER OF GENERALLY RECTANGULAR FORM HAVING AN AXIAL LENGTH EQUAL AT LEAST TO THE CIRCUMFERENCE OF THE CORE PIECE, AND A WIDTH EQUAL TO THE LENGTH OF THE CORE PIECE, THE MEMBER BEING BENT TO CYLINDRICAL FROM TO SURROUND THE CORE PIECE AND HAVING INTEGRAL OUTWARDLY EXTENDING ARMS WHICH ARE BENT SO AS TO EXTEND BETWEEN THE WINDING AND THE POLE PIECES.
Claim 2
Dependent Claim
81 words
A ROTOR FOR A DYNAMOELECTRIC MACHINE OF THE KIND SPECIFIED IN WHICH THE FORMER COMPRISES A ONE PIECE INSULATING MEMBER OF GENERALLY RECTANGULAR FORM HAVING AN AXIAL LENGTH EQUAL AT LEAST TO THE CIRCUMFERENCE OF THE CORE PIECE, AND A WIDTH EQUAL TO THE LENGTH OF THE CORE PIECE, THE MEMBER BEING BENT TO CYLINDRICAL FROM TO SURROUND THE CORE PIECE AND HAVING INTEGRAL OUTWARDLY EXTENDING ARMS WHICH ARE BENT SO AS TO EXTEND BETWEEN THE WINDING AND THE POLE PIECES.
References Cited (Backward Citations)
US2795715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |