US4409273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrim fabric and product
Assignee: MILLIKEN RESEARCH Corp A CORP OF SC
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Filing: 1980-12-22
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Granted: 1983-10-11
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Expires: 2000-12-22
Abstract
Abstract A scrim fabric for use in a mattress to isolate the springs from the matting or foam which is placed under the mattress cover. The scrim fabric has a larger warp end count in the middle third of the fabric to support the heavy portion of the body when the scrim fabric is employed in the mattress.
Inventors
- 👤 Edward W. Weitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:44
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/02; D04H3/07; D04H3/04; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24083; Y10T428/24091; Y10T428/24777; Y10T428/24942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A non-woven synthetic fabric comprising: a plurality of polyester fill yarns, a plurality of polyester warp yarns extending over and adhered to the fill yarns in a direction substantially perpendicular thereto, a plurality of polyester warp yarns extending under and adhered to the fill yarns and the warp yarns extending over the fill yarns, the end count of the warp yarns in the center of the fabric being at least twice the end count of the warp yarns at the extremities of the fabric.
Claim 2
Dependent Claim
84 words
A non-woven synthetic fabric comprising: a plurality of polyester fill yarns, a plurality of polyester warp yarns extending over and adhered to the fill yarns in a direction substantially perpendicular thereto, a plurality of polyester warp yarns extending under and adhered to the fill yarns and the warp yarns extending over the fill yarns, the end count of the warp yarns in the center of the fabric being at least twice the end count of the warp yarns at the extremities of the fabric.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-10 | 1987-04-11 | 1987-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-10 | 1991-04-11 | 1991-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-10 | 1995-04-11 | 1995-10-11 | $7700.00 | Window Closed / Lapsed |