US1075295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrometallurgical process of reducing metallic oxids.
Assignee: Individual
•
Filing: 1910-02-01
•
Granted: 1913-10-07
•
Expires: 1930-02-01
Abstract
No abstract record available.
Inventors
- 👤 Dorsey A Lyon
- 👤 Edwin R Cox Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:08
CPC Classifications
C; C21; C21B; C21B13/00; C21B13/14
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) | 1916-10-06 | 1917-04-07 | 1917-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-10-06 | 1921-04-07 | 1921-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-10-06 | 1925-04-07 | 1925-10-07 | $7700.00 | Window Closed / Lapsed |