Patent US3289954A successfully refreshed from Google Patents.
US3289954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk refiner
Assignee: E D JONES CORP
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Filing: 1964-03-17
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Granted: 1966-12-06
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Expires: 1984-03-17
Abstract
No abstract record available.
Inventors
- 👤 Dwight E Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:59
CPC Classifications
D; D21; D21D; D21D1/00; D21D1/20; D21D1/30; D21D1/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A REFINER COMPRISING A BACKING DISK, REFINING SEGMENTS DISTRIBUTED AROUND ONE SIDE OF THE DISK, AND MEANS TO HOLD THE SEGMENTS ON THE DISK, SAID MEANS INCLUDING PAIRS OF INTERLOCKING DOVETAIL FACES ON THE DISK AND SEGMENTS, THE FACES EXTENDING TRANSVERSELY OF RADII OF THE DISK, ONE PAIR OF SAID FACES BEING STRAIGHT SO AS TO PREVENT RELATIVE ROTATION OF THE SEGMENTS RELATIVE TO THE DISK.
Claim 2
Dependent Claim
66 words
A REFINER COMPRISING A BACKING DISK, REFINING SEGMENTS DISTRIBUTED AROUND ONE SIDE OF THE DISK, AND MEANS TO HOLD THE SEGMENTS ON THE DISK, SAID MEANS INCLUDING PAIRS OF INTERLOCKING DOVETAIL FACES ON THE DISK AND SEGMENTS, THE FACES EXTENDING TRANSVERSELY OF RADII OF THE DISK, ONE PAIR OF SAID FACES BEING STRAIGHT SO AS TO PREVENT RELATIVE ROTATION OF THE SEGMENTS RELATIVE TO THE DISK.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |