US2742668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the briquetting of dustlike or fine-grained material
Assignee: Individual
•
Filing: 1950-12-02
•
Granted: 1956-04-24
•
Expires: 1970-12-02
Abstract
No abstract record available.
Inventors
- 👤 Hubmann Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:13
CPC Classifications
C; C10; C10L; C10L5/00; C10L5/02; C10L5/06; B; B30; B30B; B30B11/00; B30B11/20; Y; Y10; Y10S; Y10S425/00; Y10S425/113
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |