US1774333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blowing slags and the like
Assignee: Anaconda Copper Mining Co
•
Filing: 1928-06-11
•
Granted: 1930-08-26
•
Expires: 1948-06-11
Abstract
No abstract record available.
Inventors
- 👤 Laist Alex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:09
CPC Classifications
C; C22; C22B; C22B7/00; C22B7/04; F; F27; F27B; F27B17/00; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1933-08-25 | 1934-02-24 | 1934-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-08-25 | 1938-02-24 | 1938-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-08-25 | 1942-02-24 | 1942-08-26 | $7700.00 | Window Closed / Lapsed |