US3679536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonwoven fabric comprising buds plus bundles connected by aligned fibers including bundles
Assignee: Johnson and Johnson
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Filing: 1970-03-24
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Granted: 1972-07-25
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Expires: 1990-03-24
Abstract
Abstract A nonwoven fabric having a plurality of patterns of groups of fiber segments that alternate and extend throughout the fabric. One of the patterns is disposed in first discontinuous portions of the fabric each of which portions comprises at least one yarn-like bundle of fiber segments and a mat of interentangled helter-skelter fiber segments. These first discontinuous portions of the fabric are interconnected by groups of substantially aligned fiber segments lying in second portions of the fabric which form a second pattern. The groups of substantially aligned fiber segments in this second pattern may be flat, ribbon-like groups or yarn-like bundles of fiber segments.
Inventors
- 👤 Frank Kalwaites
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:34
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/492; D04H1/495; D04H1/70; D04H1/74; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/29; Y10T428/2904
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) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |