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Patent US4871603A successfully refreshed from Google Patents.
US4871603A
Expired / Lapsed
US
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Carpet tile with cushioned backing
Assignee: MILLIKEN RESEARCH Corp A CORP OF
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Filing: 1988-09-29
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Granted: 1989-10-03
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Expires: 2008-09-29
Abstract
Abstract A tufted or bonded carpet tile which has an integral backing material of nonwoven synthetic fibers intermingled and/or needled together to provide comfort to persons walking on same and to reduce the noise level in areas where it is installed.
Inventors
- 👤 Thomas J. Malone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:08
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/12; B32B5/00; B32B5/02; B32B5/10; B32B5/024; B32B5/22; B32B5/24; B32B5/26; D; D06; D06N; D06N7/00; D06N7/0063; D06N7/0071; D06N7/0073; D06N7/0081; D06N7/0086; B32B2262/00; B32B2262/02; B32B2262/0253; B32B2262/0261; B32B2262/0276; B32B2262/10; B32B2262/101; B32B2307/00; B32B2307/10; B32B2419/00; B32B2419/04; D06N2201/00; D06N2201/02; D06N2201/0245; D06N2201/0254; D06N2201/0263; D06N2201/06; D06N2201/08; D06N2201/082; D06N2203/00; D06N2203/04; D06N2203/042; D06N2203/06; D06N2203/061; D06N2203/065; D06N2209/00; D06N2209/16; D06N2209/1628; D06N2211/00; D06N2211/06; D06N2211/066; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23979; Y10T428/249921; Y10T428/249924; Y10T428/24994; Y10T428/249942; Y10T428/249943; Y10T442/00; Y10T442/60; Y10T442/659; Y10T442/666; Y10T442/667
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
67 words
A carpet tile comprising: a primary carpet layer having pile yarns projecting upwardly therefrom, a nonwoven base layer below said carpet layer and a thermoplastic material securing said primary carpet layer to said nonwoven base layer, said nonwoven base layer being substantially all synthetic fibers needled together to form a thickness of between 3/16" and 1/4" and a weight in the range of 20-80 ozs./yd 2 .
Claim 2
Dependent Claim
67 words
A carpet tile comprising: a primary carpet layer having pile yarns projecting upwardly therefrom, a nonwoven base layer below said carpet layer and a thermoplastic material securing said primary carpet layer to said nonwoven base layer, said nonwoven base layer being substantially all synthetic fibers needled together to form a thickness of between 3/16" and 1/4" and a weight in the range of 20-80 ozs./yd 2 .
Claim 3
Dependent Claim
18 words
The carpet tile of claim 1 wherein said pile yarns are pile yarns tufted into a substrate material.
Claim 4
Dependent Claim
18 words
The carpet tile of claim 2 wherein said pile yarns are pile yarns bonded to a substrate material.
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) | 1992-10-02 | 1993-04-03 | 1993-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-10-02 | 1997-04-03 | 1997-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-10-02 | 2001-04-03 | 2001-10-03 | $7700.00 | Window Closed / Lapsed |