US3687754A
Expired / Lapsed
US
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Method of manufacturing an elastic nonwoven fabric
Assignee: Kimberly Clark Corp
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Filing: 1969-04-29
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Granted: 1972-08-29
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Expires: 1989-04-29
Abstract
Abstract AN ELASTIC, HIGH-LOFT NONWOVEN FABRIC WITH A DISCONTINUOUS BACKING LAYER OF ADHESIVE AND A MULTIPLICITY OF HEAT SET ELEMENTS LOOPED OUTWARDLY FROM THE BACKING AND A METHOD OF MAKING THE FABRIC BY FIRST EMBEDDING A WEB OF ELMENTS IN AN OPEN PATTERN OF ADHESIVE, PARTIALLY CONSOLIDATING THE ADHESIVE INTO A BACKING LAYER WHILE LOOPING THE ELEMENTS OUTWARDLY FROM THE BACKING AND HEAT-SETTING THE ELEMENTS WHILE MINIMIZING BONDING IN THE PARTIALLY CONSOLIDATED ADHESIVE BACKING.
Inventors
- 👤 Robert J Stumpf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:45
CPC Classifications
D; D04; D04H; D04H11/00; D04H11/08; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23929; Y10T428/23936; Y10T428/23979; Y10T428/23986; Y10T428/24; Y10T428/24149; Y10T428/24165; Y10T428/24355; Y10T428/24446; Y10T428/24455; Y10T428/24802; Y10T428/24826; Y10T428/24934
Claims Analysis
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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) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |