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Patent US3190573A successfully refreshed from Google Patents.
US3190573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crusher
Assignee: Individual
•
Filing: 1962-01-17
•
Granted: 1965-06-22
•
Expires: 1982-01-17
Abstract
No abstract record available.
Inventors
- 👤 Harold B Biehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:26
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/28; B02C4/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A BREAKER FOR FRANGIBLE MATERIAL COMPRISING IN COMBINATION, A PAIR OF ROTATABLE ROLLS EACH HAVING ALTERNATE PERIPHERAL RIBS AND CHANNELS, THE RIBS OF ONE ROLL FITTING INTO THE CHANNELS OF THE OTHER ROLL WITH A RUNNING SIDE CLEARANCE, AND SAID RIBS AND CHANNELS HAVING WORKING FACES SPACED APART FOR THE PASSAGE OF FRAGIBLE MATERIAL THEREBETWEEN COOPERATING PRESSURE APPLYING ELEMENTS ON AND PROJECTING FROM THE WORKING FACES OF THE ROLLS, SAID ELEMENTS ON ONE ROLL BEING MISALIGNED WITH THE ELEMENTS ON THE OTHER ROLL, WHEREBY IS EFFECTED THE BENDING AND THE
Claim 2
Dependent Claim
90 words
A BREAKER FOR FRANGIBLE MATERIAL COMPRISING IN COMBINATION, A PAIR OF ROTATABLE ROLLS EACH HAVING ALTERNATE PERIPHERAL RIBS AND CHANNELS, THE RIBS OF ONE ROLL FITTING INTO THE CHANNELS OF THE OTHER ROLL WITH A RUNNING SIDE CLEARANCE, AND SAID RIBS AND CHANNELS HAVING WORKING FACES SPACED APART FOR THE PASSAGE OF FRAGIBLE MATERIAL THEREBETWEEN COOPERATING PRESSURE APPLYING ELEMENTS ON AND PROJECTING FROM THE WORKING FACES OF THE ROLLS, SAID ELEMENTS ON ONE ROLL BEING MISALIGNED WITH THE ELEMENTS ON THE OTHER ROLL, WHEREBY IS EFFECTED THE BENDING AND THE
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |