Patent US3139375A successfully refreshed from Google Patents.
US3139375A
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Suction roll assembly
Assignee: Metal Tech Inc
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Filing: 1962-06-04
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Granted: 1964-06-30
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Expires: 1982-06-04
Abstract
No abstract record available.
Inventors
- 👤 Edward T Bryand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:29
CPC Classifications
D; D21; D21F; D21F3/00; D21F3/02; D21F3/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/49547; Y10T29/49556; Y10T29/4956; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
A SUCTION ROLL ASSEMBLY, SAID ASSEMBLY COMPRISING A CYLINDRICAL, HONEYCOMB OPENWORK, HAVING RADIALLY EXTENDING FLUID PASSAGES, MOUNTED FOR ROTATION AROUND A LONGITUDINAL AXIS; A STATIONARY SUCTION BOX MOUNTED WITHIN SAID CYLINDRICAL OPENWORK, SAID SUCTION BOX HAVING A SUCTION OPENING AT A SPACED DISTANCE FROM THE INSIDE FACE OF SAID CYLINDRICAL OPENWORK AND AN EDGE SEAL OF SAID HONEYCOMB OPENWORK LINING SAID SUCTION BOX OPENING, THE OUTSIDE FACE OF THE OPENWORK OF SAID SEAL BEING IN RUBBING CONTACT WITH THE INSIDE FACE OF SAID CYLINDRICAL HONEYCOMB OPENWORK TO FORM A HONEYCOMB INTERFACE THEREWITH FOR CREATING A PRESSURE DROP ACROSS SAID INTERFACE.
References Cited (Backward Citations)
DE396980C
Cited
US2240869A
Cited
US2803172A
Cited
GB793886A
Cited
US3072225A
Cited
US2979005A
Cited
US3047648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |