US2310097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Potential device
Assignee: Westinghouse Electric Corp
•
Filing: 1940-07-31
•
Granted: 1943-02-02
•
Expires: 1960-07-31
Abstract
No abstract record available.
Inventors
- 👤 Paul O Langguth
- 👤 Edwin L Harder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:42
CPC Classifications
H; H02; H02M; H02M5/00; H02M5/02; H02M5/04; H02M5/06; H02M5/08; H01; H01F; H01F27/00; H01F27/42; H01F27/422; H01F27/425; H01F38/00; H01F38/20; H01F38/22; H01F38/24
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) | 1946-02-01 | 1946-08-03 | 1947-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-01 | 1950-08-03 | 1951-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-01 | 1954-08-03 | 1955-02-02 | $7700.00 | Window Closed / Lapsed |