US1605026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer
Assignee: Westinghouse Electric Corp
•
Filing: 1924-09-10
•
Granted: 1926-11-02
•
Expires: 1944-09-10
Abstract
No abstract record available.
Inventors
- 👤 Leland H Hill
- 👤 Walter M Dann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:04
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/002; H01F27/02; H01F27/025; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6525; Y10T137/8593; Y10T137/85954; Y10T137/85962; Y10T137/86187; Y10T137/86196
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) | 1929-11-01 | 1930-05-03 | 1930-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-11-01 | 1934-05-03 | 1934-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-11-01 | 1938-05-03 | 1938-11-02 | $7700.00 | Window Closed / Lapsed |