US3587986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for roller mills
Assignee: Mil Engineering & Machinery Co
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Filing: 1968-07-26
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Granted: 1971-06-28
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Expires: 1988-07-26
Abstract
Abstract A GRAIN ROLLER MILL INCLUDING A PAIR OF ROTATABLE ROLLS BETWEEN WHICH THE GRAIN IS MILLED, A CONTROL SYSTEM COMPRISING A FLUID POWER ACTUATOR FOR APPLYING EQUAL FORCES TO OPPOSITE ENDS OF ONE OF THE ROLLS WHEREBY EQUAL ROLLING PRESSURE IS APPLIED BY THE ROLLS THROUGHOUT THE LENGTH OF THE ROLLS, AND A FLUID PRESSURE GENERATOR COMMUNICATING WITH THE FLUID POWER ACTUATOR.
Inventors
- 👤 Charles J Alciati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:52
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/28; B02C4/32; B02C4/38; B02C4/02; B02C4/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |