US3125302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1964-03-17
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:29
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/18; B02C17/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A LINING COVERING THE INNER SIDE OF A GRINDING MILL UTILIZING BALL MEDIA, SAID LINING HAVING REGULARLY SPACED PRIMARY STUDS WHICH PROJECT INWARDLY TOWARD THE AXIS OF THE MILL AND VOIDS THEREBETWEEN INTO WHICH A NUMBER OF THE BALL MEDIA ARE RECEIVED, THE PRIMARY STUDS HAVING A HEIGHT SUCH THAT EACH OF THE BALL MEDIA RECEIVED INTO SAID VOIDS ENTER TO ESSENTIALLY THE LEVEL OF THE ENDS OF THE PRIMARY STUDS TO FORM WITH THE ENDS OF THE PRIMARY STUDS AN ORDINATING SURFACE FOR THE REMAINDER OF THE BALL MEDIA, SAID ENDS OF THE PRIMARY STUDS FURTHER HAVING A SPHERICAL SURFACE THE RADIUS OF WHICH IS SUBSTANTIALLY EQUAL TO THE AVERAGE OF THE BALL MEDIA, AND SMALLER SECONDARY STUDS BETWEEN THE PRIMARY STUDS WHICH COACT WITH THE PRIMARY STUDS TO ALIGN THE BALL MEDIA RECEIVED IN SAID VOIDS IN ACCORDANCE WITH A PREDETERMINED LATTICE WHICH INCLUDES THE ENDS OF THE PRIMARY STUDS.
Claim 2
Dependent Claim
152 words
A LINING COVERING THE INNER SIDE OF A GRINDING MILL UTILIZING BALL MEDIA, SAID LINING HAVING REGULARLY SPACED PRIMARY STUDS WHICH PROJECT INWARDLY TOWARD THE AXIS OF THE MILL AND VOIDS THEREBETWEEN INTO WHICH A NUMBER OF THE BALL MEDIA ARE RECEIVED, THE PRIMARY STUDS HAVING A HEIGHT SUCH THAT EACH OF THE BALL MEDIA RECEIVED INTO SAID VOIDS ENTER TO ESSENTIALLY THE LEVEL OF THE ENDS OF THE PRIMARY STUDS TO FORM WITH THE ENDS OF THE PRIMARY STUDS AN ORDINATING SURFACE FOR THE REMAINDER OF THE BALL MEDIA, SAID ENDS OF THE PRIMARY STUDS FURTHER HAVING A SPHERICAL SURFACE THE RADIUS OF WHICH IS SUBSTANTIALLY EQUAL TO THE AVERAGE OF THE BALL MEDIA, AND SMALLER SECONDARY STUDS BETWEEN THE PRIMARY STUDS WHICH COACT WITH THE PRIMARY STUDS TO ALIGN THE BALL MEDIA RECEIVED IN SAID VOIDS IN ACCORDANCE WITH A PREDETERMINED LATTICE WHICH INCLUDES THE ENDS OF THE PRIMARY STUDS.
References Cited (Backward Citations)
FR1140441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |