Patent US3104837A successfully refreshed from Google Patents.
US3104837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self cleaning refiner plate
Assignee: Bauer Brothers Co
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Filing: 1961-01-09
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Granted: 1963-09-24
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Expires: 1981-01-09
Abstract
No abstract record available.
Inventors
- 👤 Herman W Steinlger
- 👤 James E Irvine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:31
CPC Classifications
D; D21; D21D; D21D1/00; D21D1/20; D21D1/30; D21D1/306
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
108 words
A REMOVABLE WORK PLATE IN A DISC REFINER OR THE LIKE, SAID PLATE HAVING INNER AND OUTER ENDS IN RELATION TO THE DIRECTION OF TRAVEL OF REFINED MATERIAL THEREOVER, THE REVERSE SIDE OF SAID PLATE BEING RECESSED TO PROVIDE A MARGINAL FLANGE ON ALL BUT THE OUTER END THEREOF, PASSAGEWAYS OF LONGITUDINAL EXTENT OPENING THROUGH THE OUTER END OF THE PLATE, AND LANDS IN SAID PASSAGEWAY COEXTENSIVE IN HEIGHT WITH SAID FLANGE FOR SIMULTANEOUS CONTACT WITH THE DISC, SAID LANDS BEING SHAPED TO PRESENT SURFACES OF MINIMUM OBSTRUCTION TO THE MOVEMENT OF MATERIAL OVER THE REVERSE SIDE OF THE PLATE FROM THE INNER TO THE OUTER ENDS THEREOF.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |