US3822162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for manufacturing high-loft,nonwoven fabric
Assignee: Kimberly Clark Corp
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Filing: 1972-07-10
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Granted: 1974-07-02
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Expires: 1992-07-10
Abstract
Abstract A METHOD OF MAKING A HIGH-LOFT, NONWOVEN FABRIC WITH A SUBSTANTIALLY CONTINOUS BACKING LAYER OF ADHESIVE AND A MULTIPLICITY OF FIBERS LOOPED OUTWARDLY FROM THE BACKING, BY FIRST EMBEDDING A WEB OF FIBERS IN A LAYER OF ADHESIVE AND THEN GATHERING THE ADHESIVE WHILE SOFTENED INTO A SUBSTANTIALLY CONTINUOUS BACKING LAYER WHILE SIMULTANEOUSLY LOOPING THE FIBERS OUTWARDLY FROM THE BACKING IN CERTAIN INSTANCES, THE LOOPS MAY BE SUBSEQUENTLY SHORN. THE BACKING MAY BE STRETCHED OR PERFORATED, OR THE FABRIC MAY BE LAMINATED TO AN ADDITIONAL BACKING OR BACKINGS TO CHANGE THE FINAL CHARACTERISTICS OF THE PRODUCT.
Inventors
- 👤 R Stumpf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:04
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; D; D04; D04H; D04H11/00; D04H11/08; B32B5/02; B32B5/022; B32B7/00; B32B7/04; B32B7/12; B32B7/14; B32B2262/00; B32B2262/10; B32B2262/103; B32B2555/00; B32B2555/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/109
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) | 1977-07-01 | 1977-12-31 | 1978-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-01 | 1981-12-31 | 1982-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-01 | 1985-12-31 | 1986-07-02 | $7700.00 | Window Closed / Lapsed |