Patent US5017127A successfully refreshed from Google Patents.
Patent US3396010A successfully refreshed from Google Patents.
US3396010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slag conditioner
Assignee: Northwest Olivine Co
•
Filing: 1965-09-16
•
Granted: 1968-08-06
•
Expires: 1985-09-16
Abstract
No abstract record available.
Inventors
- 👤 Herbert E Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:06
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/04; C21C5/28; C21C5/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
CA576265A
Cited
US2027868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |