US2958902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller press for the briquetting of ore, coal or similar materials
Assignee: Kloeckner Humboldt Deutz AG
•
Filing: 1959-02-19
•
Granted: 1960-11-08
•
Expires: 1979-02-19
Abstract
No abstract record available.
Inventors
- 👤 Decker Johannes Bernhard
- 👤 Meder Heinz
- 👤 Jakobs Melchior Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:31
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/16; B30B11/165; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/907
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US538475A
Cited
US1715297A
Cited
US2203200A
Cited
GB567069A
Cited
US2662246A
Cited
US2689977A
Cited
US2842071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |