US2422099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the production of comminuted particles
Assignee: Individual
•
Filing: 1944-06-20
•
Granted: 1947-06-10
•
Expires: 1964-06-20
Abstract
No abstract record available.
Inventors
- 👤 Hiller Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:12
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/10; B22F9/082; B22F2009/0896
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US430256A
Cited
US1065365A
Cited
US1617887A
Cited
CH209258A
Cited
US2209113A
Cited
US2213365A
Cited
US2269528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-09 | 1950-12-09 | 1951-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-09 | 1954-12-09 | 1955-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-09 | 1958-12-09 | 1959-06-10 | $7700.00 | Window Closed / Lapsed |