US3214619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaded pole motor with saturated pole tips
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1960-08-01
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Granted: 1965-10-26
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Expires: 1980-08-01
Abstract
No abstract record available.
Inventors
- 👤 Vaske Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:17
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/04; H02K17/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
IN A SHADED-POLE MOTOR, A STATOR HAVING SALIENT POLE, EACH PROVIDED WITH SHADED POLE PORTIONS AND EACH POLE HAVING TWO TIPS THAT ARE FREE OF SLOTS, SAID POLE FORMING UNIFORM GAPS BETWEEN THEMSELVES AND THE ARMATURE OF THE MOTOR, A MAJOR PORTION OF EACH TIP OF EACH POLE BEING A ZONE WHICH IS MAGNETICALLY AT LEAST SUB-
Claim 2
Dependent Claim
57 words
IN A SHADED-POLE MOTOR, A STATOR HAVING SALIENT POLE, EACH PROVIDED WITH SHADED POLE PORTIONS AND EACH POLE HAVING TWO TIPS THAT ARE FREE OF SLOTS, SAID POLE FORMING UNIFORM GAPS BETWEEN THEMSELVES AND THE ARMATURE OF THE MOTOR, A MAJOR PORTION OF EACH TIP OF EACH POLE BEING A ZONE WHICH IS MAGNETICALLY AT LEAST SUB-
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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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |