US3074657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact crushing apparatus
Assignee: ADAMS ENGINEERING Co
•
Filing: 1959-12-04
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Granted: 1963-01-22
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Expires: 1979-12-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Bridgewater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:15
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/14; B02C13/18; B02C13/1807; B02C13/1814; B02C13/1828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A BREAKER PLATE STRUCTURE FOR AN IMPACT CRUSHING APPARATUS OF THE TYPE DESCRIBED INCLUDING A CENTRIFUGAL IMPELLER MOUNTED WITHIN A HOUSING, COMPRISING BODY MEANS DETACHABLY MOUNTABLE WITHIN THE HOUSING FOR PRESENTING A SURFACE THEREOF FOR ENGAGEMENT BY MATERIAL TO BE CRUSHED THROWN FROM THE IMPELLER, A SLOT IN SAID BODY MEANS AND OPENING AT SAID SURFACE AND ONE END OF SAID BODY MEANS, SAID BODY MEANS INCLUDING FLANGE PORTIONS DEFINING OPPOSITE SIDES OF SAID SLOT AND OVERLYING A BOTTOM SURFACE OF SAID SLOT, AN INSERT OF HIGH ABRASION RESISTING MATERIAL RE MOVABLY DISPOSED IN SAID SLOT AND PRESENTING A SURFACE FOR ENGAGEMENT BY THE MATERIAL THROWN FROM THE IMPELLER, AND MEANS INCLUDING FLANGES INTEGRAL WITH SAID INSERT AND UNDERLYING SAID FIRST MENTIONED FLANGES RELEASABLY SECURING SAID INSERT WITH RESPECT TO SAID BODY MEANS SO AS TO ENABLE THE INSERT TO BE REPLACED WHEN WORN.
Claim 2
Dependent Claim
144 words
A BREAKER PLATE STRUCTURE FOR AN IMPACT CRUSHING APPARATUS OF THE TYPE DESCRIBED INCLUDING A CENTRIFUGAL IMPELLER MOUNTED WITHIN A HOUSING, COMPRISING BODY MEANS DETACHABLY MOUNTABLE WITHIN THE HOUSING FOR PRESENTING A SURFACE THEREOF FOR ENGAGEMENT BY MATERIAL TO BE CRUSHED THROWN FROM THE IMPELLER, A SLOT IN SAID BODY MEANS AND OPENING AT SAID SURFACE AND ONE END OF SAID BODY MEANS, SAID BODY MEANS INCLUDING FLANGE PORTIONS DEFINING OPPOSITE SIDES OF SAID SLOT AND OVERLYING A BOTTOM SURFACE OF SAID SLOT, AN INSERT OF HIGH ABRASION RESISTING MATERIAL RE MOVABLY DISPOSED IN SAID SLOT AND PRESENTING A SURFACE FOR ENGAGEMENT BY THE MATERIAL THROWN FROM THE IMPELLER, AND MEANS INCLUDING FLANGES INTEGRAL WITH SAID INSERT AND UNDERLYING SAID FIRST MENTIONED FLANGES RELEASABLY SECURING SAID INSERT WITH RESPECT TO SAID BODY MEANS SO AS TO ENABLE THE INSERT TO BE REPLACED WHEN WORN.
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |