US2423345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating-current dynamoelectric machine
Assignee: CASNER PATENTS Inc
•
Filing: 1944-02-09
•
Granted: 1947-07-01
•
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
2026-10-24 11:49
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US755819A
Cited
US1440952A
Cited
US1957380A
Cited
US1978100A
Cited
US2039456A
Cited
US2025817A
Cited
US2057503A
Cited
US2187033A
Cited
US2183404A
Cited
US2322924A
Cited
US2303291A
Cited
US2328743A
Cited
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 |