US3684604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making bias reinforced materials
Assignee: Kimberly Clark Corp
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Filing: 1970-04-27
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Granted: 1972-08-15
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Expires: 1990-04-27
Abstract
Abstract BIAS REINFORCED MATERIALS SUCH AS NONWOVEN FABRICS ARE MADE BY HELICALLY WRAPPING A FIRST PLY ABOUT A CONTINUOUSLY MOVING CARRIER BELT, PLACING A SECOND PLY LONGITUDINALLY ALONG THE BELT OVER EACH SIDE OF THE HELICAL WRAPPING, BONDING THE PILES, CUTTING THE SECOND PLY ALONG LINES ADJACENT THE EDGES OF THE FIRST PLY, AND UNWRAPPING THE FIRST PLY WITH THE SECOND PLY BOUNDED THERETO.
Inventors
- 👤 Karl E Sager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:30
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/02; D04H3/04
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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |