US860512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of pyritic smelting.
Assignee: Individual
•
Filing: 1906-09-24
•
Granted: 1907-07-16
•
Expires: 1926-09-24
Abstract
No abstract record available.
Inventors
- 👤 Henry Arden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:26
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/52; C21C5/5211; C21C5/5217; C22; C22B; C22B15/00; C22B15/0026; C22B15/0028; C22B15/003; C22B15/0039
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) | 1910-07-15 | 1911-01-14 | 1911-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-07-15 | 1915-01-14 | 1915-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-07-15 | 1919-01-14 | 1919-07-16 | $7700.00 | Window Closed / Lapsed |