US3174698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary rock crusher
Assignee: Eagle Crusher Co Inc
•
Filing: 1963-11-18
•
Granted: 1965-03-23
•
Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Harold J Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:34
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/14; B02C13/18; B02C13/1807; B02C13/1835
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN IMPACT TYPE CRUSHING APPARATUS COMPRISING, IN COMBINATION HOUSING MEANS INCLUDING A TOP WALL PROVIDED WITH A CENTRAL INLET OPENING; A PLURALITY OF BREAKER MEMBERS MOUNTED WITHIN SAID HOUSING MEANS AND INCLUDING AN UPPER DAMPING PAD MOUNT AND A LOWER DAMPING PAD MOUNT; AN INNER CYLINDER MEMBER COAXIALLY DISPOSED WITHIN AND SPACED FROM SAID SHAFT MOUNTING MEANS; A LOWER ANNULAR DAMPING PAD ON SAID UPPER MOUNT; A LOWER ANNULAR DAMPING PAD ON SAID LOWER MOUNT, SAID DAMPING PADS BEING IN SUPPORTING SURROUNDING RELATIONSHIP WITH SAID INNER CYLINDRICAL MEMBER WHEREBY SAID MEMBER IS ISOLATED FROM SAID MOUNTS; AND
Claim 2
Dependent Claim
97 words
AN IMPACT TYPE CRUSHING APPARATUS COMPRISING, IN COMBINATION HOUSING MEANS INCLUDING A TOP WALL PROVIDED WITH A CENTRAL INLET OPENING; A PLURALITY OF BREAKER MEMBERS MOUNTED WITHIN SAID HOUSING MEANS AND INCLUDING AN UPPER DAMPING PAD MOUNT AND A LOWER DAMPING PAD MOUNT; AN INNER CYLINDER MEMBER COAXIALLY DISPOSED WITHIN AND SPACED FROM SAID SHAFT MOUNTING MEANS; A LOWER ANNULAR DAMPING PAD ON SAID UPPER MOUNT; A LOWER ANNULAR DAMPING PAD ON SAID LOWER MOUNT, SAID DAMPING PADS BEING IN SUPPORTING SURROUNDING RELATIONSHIP WITH SAID INNER CYLINDRICAL MEMBER WHEREBY SAID MEMBER IS ISOLATED FROM SAID MOUNTS; AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |