US3555700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll for papermaking machinery
Assignee: Huyck Corp
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Filing: 1967-08-15
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Granted: 1971-01-19
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Expires: 1987-08-15
Abstract
Abstract THIS INVENTION IS DIRECTED TOWARD MEANS FOR REMOVING THE MOIST AIR WHICH TENDS TO COLLECT IN TENT-LIKE POCKETS IN THE DRYER SECTION OF A PAPERMAKING MACHINE. SUCH REMOVAL IS ACCOMPLISHED BY PROVIDING GUIDE ROLLS WHICH HAVE A PLURALITY OF GROOVES THEREIN TO SUPPLY FRESH AIR INTO THESE POCKETS AND FORCE THE MOIST AIR OUT. THE CONSTRUCTION OF THE GROOVES IS SUCH AS TO REDUCE SUBSTANTIALLY, IF NOT ELIMINATE ENTIRELY, THE TENDENCY OF A DYER FABRIC TO CREEP OR "WALK" OFF THE MACHINE ROLLS.
Inventors
- 👤 Joseph Robert Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:26
CPC Classifications
D; D21; D21F; D21F5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |