US2764360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the production of finely divided materials
Assignee: Individual
•
Filing: 1953-03-03
•
Granted: 1956-09-25
•
Expires: 1973-03-03
Abstract
No abstract record available.
Inventors
- 👤 Podszus Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
B; B02; B02C; B02C25/00; B02C17/00; B02C17/18; B02C17/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1157979A
Cited
US1413934A
Cited
US1930684A
Cited
US1990178A
Cited
US2001534A
Cited
US2136445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |