US2058302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer
Assignee: General Electric Co
•
Filing: 1936-02-18
•
Granted: 1936-10-20
•
Expires: 1956-02-18
Abstract
No abstract record available.
Inventors
- 👤 Harold T Faus
- 👤 Almon J Corson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:23
CPC Classifications
H; H02; H02M; H02M5/00; H02M5/02; H02M5/04; H02M5/10; H02M5/12
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) | 1939-10-20 | 1940-04-20 | 1940-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-10-20 | 1944-04-20 | 1944-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-10-20 | 1948-04-20 | 1948-10-20 | $7700.00 | Window Closed / Lapsed |