Patent US2783441A successfully refreshed from Google Patents.
US2783441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer
Assignee: General Electric Co
•
Filing: 1952-07-25
•
Granted: 1957-02-26
•
Expires: 1972-07-25
Abstract
No abstract record available.
Inventors
- 👤 Camilli Guglielmo
- 👤 George H Halsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:46
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/30; H01F27/306
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US772288A
Cited
US717006A
Cited
US834160A
Cited
US873166A
Cited
US974167A
Cited
US1747953A
Cited
US2201005A
Cited
US2337916A
Cited
DE734631C
Cited
US2279028A
Cited
US2295371A
Cited
US2388565A
Cited
US2422037A
Cited
US2527236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |