US1315992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode for electric furnaces.
Assignee: ELECTRO METALLURGIQUE FRANCAISE Ste
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Filing: 1918-12-09
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Granted: 1919-09-16
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Expires: 1938-12-09
Abstract
No abstract record available.
Inventors
- 👤 Paul Sejournet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:40
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/10; H05B7/103; H05B7/105
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) | 1922-09-15 | 1923-03-17 | 1923-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-09-15 | 1927-03-17 | 1927-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-09-15 | 1931-03-17 | 1931-09-16 | $7700.00 | Window Closed / Lapsed |