US3135885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamoelectric machines
Assignee: AO Smith Corp
•
Filing: 1959-03-26
•
Granted: 1964-06-02
•
Expires: 1979-03-26
Abstract
No abstract record available.
Inventors
- 👤 John T Maynard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:26
CPC Classifications
H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/132; F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0653
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN A DYNAMOELECTRIC MACHINE, A STATOR SECTION HAVING AN ANNULAR LAMINATED CORE CARRYING A MULTI-TURN FIELD WINDING, SAID CORE HAVING ROUNDED END EDGES,A PERFORMED PLASTIC MEMBRANE SECURED IN INTIMATE CONTACT WITH THE STATOR SECTION TO HERMETICALLY ENCLOSED THE STATOR SECTION, A RESILIENT SLEEVE ENCIRCLING THE LAMINATED CORE AND MEN BRANE, AND A FRAME HAVING A TUBULAR PORTION CLAMPED ABOUT THE CORE TO SUPPORT THE STATOR SECTION.
Claim 2
Dependent Claim
66 words
IN A DYNAMOELECTRIC MACHINE, A STATOR SECTION HAVING AN ANNULAR LAMINATED CORE CARRYING A MULTI-TURN FIELD WINDING, SAID CORE HAVING ROUNDED END EDGES,A PERFORMED PLASTIC MEMBRANE SECURED IN INTIMATE CONTACT WITH THE STATOR SECTION TO HERMETICALLY ENCLOSED THE STATOR SECTION, A RESILIENT SLEEVE ENCIRCLING THE LAMINATED CORE AND MEN BRANE, AND A FRAME HAVING A TUBULAR PORTION CLAMPED ABOUT THE CORE TO SUPPORT THE STATOR SECTION.
References Cited (Backward Citations)
US1261193A
Cited
US1883736A
Cited
US2104189A
Cited
US2611930A
Cited
US2744204A
Cited
US2761985A
Cited
US2887062A
Cited
US2829288A
Cited
US2852470A
Cited
GB778159A
Cited
FR1148642A
Cited
US2945173A
Cited
US3041976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |