US2726047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support and drive system for rotary grinding mills
Assignee: Monolith Portland Cement Co
•
Filing: 1950-05-29
•
Granted: 1955-12-06
•
Expires: 1970-05-29
Abstract
No abstract record available.
Inventors
- 👤 Treshow Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:57
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/18; B02C17/24
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |