US1382361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refining copper-nickel matte
Assignee: Individual
•
Filing: 1920-02-25
•
Granted: 1921-06-21
•
Expires: 1940-02-25
Abstract
No abstract record available.
Inventors
- 👤 Hybinette Noak Victor
- 👤 Peek Robert Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:26
CPC Classifications
C; C22; C22B; C22B15/00; C22B15/0063; C22B15/0084; C22B15/0089; C22B15/0091; C22B15/0002; C22B15/001; C22B15/0013; C22B15/0015; C22B23/00; C22B23/005; C22B23/04; C22B23/0453; C22B23/0461; C22B23/0469; Y; Y02; Y02P; Y02P10/00; Y02P10/20
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) | 1924-06-20 | 1924-12-20 | 1925-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-06-20 | 1928-12-20 | 1929-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-06-20 | 1932-12-20 | 1933-06-21 | $7700.00 | Window Closed / Lapsed |