US938044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of chloridizing ores.
Assignee: Individual
•
Filing: 1906-06-29
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Granted: 1909-10-26
•
Expires: 1926-06-29
Abstract
No abstract record available.
Inventors
- 👤 Charles A Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:49
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/02; C22B1/10; B; B82; B82Y; B82Y30/00
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) | 1912-10-25 | 1913-04-26 | 1913-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-10-25 | 1917-04-26 | 1917-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-10-25 | 1921-04-26 | 1921-10-26 | $7700.00 | Window Closed / Lapsed |