US3376530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axially spaced transformer pancake coils having static plate
Assignee: Westinghouse Electric Corp
•
Filing: 1966-04-27
•
Granted: 1968-04-02
•
Expires: 1986-04-27
Abstract
No abstract record available.
Inventors
- 👤 Heinz G Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:28
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/288; H01F27/2885; H01F27/34; H01F27/343; H01F27/36; H01F27/363
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1872293A
Cited
US2155840A
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US2220539A
Cited
US2374049A
Cited
US2381782A
Cited
US2723379A
Cited
US2993183A
Cited
US3183460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |