US2726344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single-phase alternating-current shaded-pole motor
Assignee: Individual
•
Filing: 1952-01-28
•
Granted: 1955-12-06
•
Expires: 1972-01-28
Abstract
No abstract record available.
Inventors
- 👤 Neuenschwander Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:24
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/04; H02K17/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1408890A
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US1823979A
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US1897184A
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FR732172A
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US1884140A
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US1951230A
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GB423037A
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FR42869E
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AU626732A
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US2027846A
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US2071224A
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US2149569A
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US2591117A
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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) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |