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US3568331A
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Suction drying apparatus
Assignee: Greenbank Engineering Co Ltd
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Filing: 1969-01-08
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Granted: 1971-03-09
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Expires: 1989-01-08
Abstract
Abstract A SUCTION DRYER FOR PERMEABLE FABRICS OR MATERIAL IN WEB FORM IN WHICH THE FABRIC OR MATERIAL IS TRAVERSED THROUGH THE DRYER ON A ENDLESS PERFORATED CONVEYOR, WHICH DIVIDES THE DRYING CHAMBER INTO TWO COMPARTMENTS, ONE COMPARTMENT BEING A PRESSURE COMPARTMENT AND THE OTHER SUCTION COMPARTMENT SEALING MEANS BEING PROVIDED FOR THE CONVEYOR AT BOTH THE INLET AND DISCHARGE ENDS.
Inventors
- 👤 Harry W Loveday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:34
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/101
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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |