US2653769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary weight-impact crushing mill
Assignee: Individual
•
Filing: 1950-08-22
•
Granted: 1953-09-29
•
Expires: 1970-08-22
Abstract
No abstract record available.
Inventors
- 👤 Newton L Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:41
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/04; B02C17/06; B02C17/07; B02C17/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1907080A
Cited
US1315770A
Cited
US447808A
Cited
DE661870C
Cited
GB191118978A
Cited
US1087968A
Cited
US1516913A
Cited
US1449592A
Cited
US1656503A
Cited
US1650508A
Cited
GB283888A
Cited
US1873032A
Cited
US2185158A
Cited
US2580541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |