US2605312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-cooled and insulated windings
Assignee: Westinghouse Electric Corp
•
Filing: 1950-09-02
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Granted: 1952-07-29
•
Expires: 1970-09-02
Abstract
No abstract record available.
Inventors
- 👤 John L Boyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:58
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/04; H02K3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE289215C
Cited
FR615240A
Cited
GB314808A
Cited
US1784997A
Cited
GB369181A
Cited
US2285960A
Cited
US2417783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |