US2432573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-starting single-phase motor
Assignee: Telefonaktiebolaget LM Ericsson AB
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Filing: 1943-11-29
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Granted: 1947-12-16
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Expires: 1963-11-29
Abstract
No abstract record available.
Inventors
- 👤 Jorgensen Anders Ossian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:19
CPC Classifications
H; H02; H02K; H02K21/00; H02K21/12; H02K21/14; H02K21/145; H02K2201/00; H02K2201/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE601052C
Cited
GB388739A
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US1967782A
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GB427002A
Cited
US2081993A
Cited
US2151996A
Cited
US2122307A
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US2212192A
Cited
US2295286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |