US3090105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crushing roll construction
Assignee: Individual
•
Filing: 1961-09-21
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Granted: 1963-05-21
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Expires: 1981-09-21
Abstract
No abstract record available.
Inventors
- 👤 Paul L Gibbar
- 👤 Harold L Gibbar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:58
CPC Classifications
B; B02; B02C; B02C4/00; B02C4/28; B02C4/30; B02C4/305; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/49547; Y10T29/49549; Y10T29/49789; Y10T29/49792; Y10T29/49796
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A CRUSHER ROLL HAVING A ROTATABLE HUB, SAID HUB HAVING LONGITUDINAL SLOTS EXTENDING RADIALLY INWARD FROM ITS PERIPHERY, AN ANNULAR CRUSHING SHELL DISPOSED ABOUT THE PERIPHERY OF SAID HUB COMPOSED OF SEGMENTS, A LONGITUDINAL ATTACHING BAR EXTENDING AXIALLY OF SAID SEGMENTS AND RADIALLY INWARDLY FROM EACH SEGMENT AND OCCUPYING ONE OF SAID SLOTS, SAID BAR HAVING AT EACH OF ITS ENDS A WEDGE SURFACE, AND CLAMPING WEDGE MEANS ENGAGEABLE WITH THE HUB AND WITH SAID WEDGE SURFACE AT OPPOSITE ENDS OF SAID BARS DRAWING SAID SEGMENTS INWARDLY AGAINST SAID HUB.
Claim 2
Dependent Claim
90 words
A CRUSHER ROLL HAVING A ROTATABLE HUB, SAID HUB HAVING LONGITUDINAL SLOTS EXTENDING RADIALLY INWARD FROM ITS PERIPHERY, AN ANNULAR CRUSHING SHELL DISPOSED ABOUT THE PERIPHERY OF SAID HUB COMPOSED OF SEGMENTS, A LONGITUDINAL ATTACHING BAR EXTENDING AXIALLY OF SAID SEGMENTS AND RADIALLY INWARDLY FROM EACH SEGMENT AND OCCUPYING ONE OF SAID SLOTS, SAID BAR HAVING AT EACH OF ITS ENDS A WEDGE SURFACE, AND CLAMPING WEDGE MEANS ENGAGEABLE WITH THE HUB AND WITH SAID WEDGE SURFACE AT OPPOSITE ENDS OF SAID BARS DRAWING SAID SEGMENTS INWARDLY AGAINST SAID HUB.
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |