US2937349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stationary induction electrical apparatus
Assignee: General Electric Co
•
Filing: 1955-10-12
•
Granted: 1960-05-17
•
Expires: 1975-10-12
Abstract
No abstract record available.
Inventors
- 👤 Camilli Guglielmo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:30
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/32; H01F27/324; H01F27/34; H01F27/36; H01F27/363
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1368811A
Cited
DE405441C
Cited
US1549891A
Cited
GB344181A
Cited
US2153090A
Cited
CH243698A
Cited
US2632041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |