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US2423345A
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Alternating-current dynamoelectric machine
Assignee: CASNER PATENTS Inc
•
Filing: 1944-02-09
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Granted: 1947-07-01
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Expires: 1964-02-09
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Roters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:01
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/02; H02K19/04; H02K19/08; H02K15/00; H02K15/02; H02K15/021; Y; Y10; Y10S; Y10S164/00; Y10S164/10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4902; Y10T29/49075; Y10T29/49078
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1978100A
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US2039456A
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US2025817A
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US2057503A
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US2187033A
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US2183404A
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US2322924A
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US2303291A
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US2328743A
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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) | 1950-06-30 | 1950-12-30 | 1951-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-30 | 1954-12-30 | 1955-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-30 | 1958-12-30 | 1959-07-01 | $7700.00 | Window Closed / Lapsed |