US1574064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical connection for transformers and the like
Assignee: Individual
•
Filing: 1922-07-21
•
Granted: 1926-02-23
•
Expires: 1942-07-21
Abstract
No abstract record available.
Inventors
- 👤 George L Chamberlain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:29
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/02; H01F27/04
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) | 1929-02-22 | 1929-08-24 | 1930-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-02-22 | 1933-08-24 | 1934-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-02-22 | 1937-08-24 | 1938-02-23 | $7700.00 | Window Closed / Lapsed |