US3579679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tensionless liquid treating apparatus and method
Assignee: JONATHAN LOGAN Inc
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Filing: 1968-12-10
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Granted: 1971-05-25
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Expires: 1988-12-10
Abstract
Abstract A METHOD OF AND APPARATUS FOR TREATING A RUNNING LENGTH OF TEXTILE WEB MATERIAL WITH A FLUID WHEREIN THE TEXTILE WEB MATERIAL IS TRANSPORTED THROUGH A FLUID TREATING ZONE WITHOUT ANY APPRECIABLE TENSIONAL FORCES BEING IMPOSED THEREON AND WHILE IN A SUBSTANTIALLY TENSION-FREE STATE BY OVERFEEDING THE TEXTILE WEB MATERIAL ONTO A HORIZONTALLY MOVING SUPPORTING SURFACE, ADVANCING THE TEXTILE WEB MATERIAL THROUGH THE TREATMENT ZONE WHILE SPRAYING OPPOSITE FACES OF THE WEB MATERIAL WITH TREATMENT FLUID AND WHILE CAUSING THE WEB MATERIAL TO FOLLOW AN UNDULATING PATH OF TRAVEL WITH ANY GIVEN PORTION THEREOF ONLY INTERMITTENTLY ENGAGING THE SUPPORTING SURFACE.
Inventors
- 👤 David M Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:41
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/10; D06B3/16
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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |