US2295393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating system
Assignee: Westinghouse Electric Corp
•
Filing: 1941-02-28
•
Granted: 1942-09-08
•
Expires: 1961-02-28
Abstract
No abstract record available.
Inventors
- 👤 Donald W Exner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:22
CPC Classifications
H; H02; H02P; H02P9/00; H02P9/14; H02P9/16; H02P9/18; H02P2101/00; H02P2101/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-09-07 | 1946-03-09 | 1946-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-07 | 1950-03-09 | 1950-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-07 | 1954-03-09 | 1954-09-08 | $7700.00 | Window Closed / Lapsed |