US676576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode connection for electric furnaces.
Assignee: ELECTRIC SMELTING AND ALUMINUM Co
•
Filing: 1900-08-30
•
Granted: 1901-06-18
•
Expires: 1920-08-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Cowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:27
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1904-06-17 | 1904-12-17 | 1905-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-06-17 | 1908-12-17 | 1909-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-06-17 | 1912-12-17 | 1913-06-18 | $7700.00 | Window Closed / Lapsed |