US1019463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon electrode.
Assignee: General Electric Co
•
Filing: 1909-07-23
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Granted: 1912-03-05
•
Expires: 1929-07-23
Abstract
No abstract record available.
Inventors
- 👤 Charles A Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:08
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/06; H05B7/08; H05B7/085
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) | 1915-03-05 | 1915-09-04 | 1916-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-03-05 | 1919-09-04 | 1920-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-03-05 | 1923-09-04 | 1924-03-05 | $7700.00 | Window Closed / Lapsed |