Patent US3669823A successfully refreshed from Google Patents.
US3669823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven web
Assignee: Curlator Corp
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Filing: 1969-06-04
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Granted: 1972-06-13
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Expires: 1989-06-04
Abstract
Abstract THIS WEB COMPRISES FIBERS ARRANGED IN RANDOM FASHION LENGTHWISE, WIDTHWISE, AND DEPTHWISE OF THE WEB AND INCORPORATING THEREIN CONTINUOUS ELEMENTS, SUCH AS FILAMENTS, WHICH ARE FOAM-COATED AND WHICH BOND ADJACENT FIBERS IN THE REGIONS OF CROSSING OF THE FIBERS AND THE FOAM-COATED ELEMENTS, THEREBY BONDING THE WEB INTO AN INTEGRAL STUCTURE. THE CONTINUOUS ELEMENTS MAY BE ARRANGE AS WEFT OR AS WARP ELEMENTS OF THE WEB, OR MAY BE ARRANGED AS BOTH WEFT AND WARP ELEMENTS, OR IN RANDOM FASHION.
Inventors
- 👤 Dennis E Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:02
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/245; D; D04; D04H; D04H5/00; D04H5/06; B32B5/26; B32B2262/00; B32B2262/02; B32B2262/0246; B32B2262/0276; B32B2262/06; B32B2262/062; Y; Y10; Y10T; Y10T442/00; Y10T442/60; Y10T442/603; Y10T442/607; Y10T442/608; Y10T442/627; Y10T442/647; Y10T442/696
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) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |