Patent US2834043A successfully refreshed from Google Patents.
US2834043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making pellets
Assignee: Oglebay Norton Co
•
Filing: 1954-08-05
•
Granted: 1958-05-13
•
Expires: 1974-08-05
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Haley
- 👤 Harold V Trask
- 👤 William C Larter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:04
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/2406
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1994718A
Cited
US2638625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |