Patent US1102513A successfully refreshed from Google Patents.
US1102513A
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US
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Transformer.
Assignee: General Electric Co
•
Filing: 1912-12-20
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Granted: 1914-07-07
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Expires: 1932-12-20
Abstract
No abstract record available.
Inventors
- 👤 Svend E Johannesen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:00
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/24; H01F27/245; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49075; Y10T29/49078
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) | 1917-07-06 | 1918-01-05 | 1918-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-07-06 | 1922-01-05 | 1922-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-07-06 | 1926-01-05 | 1926-07-07 | $7700.00 | Window Closed / Lapsed |