US3968290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-woven fabric floor
Assignee: Armstrong World Industries Inc
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Filing: 1974-12-06
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Granted: 1976-07-06
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Expires: 1994-12-06
Abstract
Abstract A non-woven fabric floor having the desirable attributes of a non-woven carpet construction combined with the desirable attributes of a decorative thermoplastic surface covering and a method for its production are described.
Inventors
- 👤 Martin Dees, Jr.
- 👤 Debra M. Karcheski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:16
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0007; D06N7/0013; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/24802; Y10T428/2481
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
68 words
A decorative surface covering comprising: a. a non-woven needle-punched backing reinforced with a dimensionally stable scrim, said backing having a weight of about 8 ounces per square yard or greater, and bonded with from about 3 to 30 percent by weight latex; b. a continuous screen-printed fused plastisol decorative layer bonded to the backing; and c. a fused plastisol clear coat overlying and bonded to the decorative layer.
Claim 2
Dependent Claim
68 words
A decorative surface covering comprising: a. a non-woven needle-punched backing reinforced with a dimensionally stable scrim, said backing having a weight of about 8 ounces per square yard or greater, and bonded with from about 3 to 30 percent by weight latex; b. a continuous screen-printed fused plastisol decorative layer bonded to the backing; and c. a fused plastisol clear coat overlying and bonded to the decorative layer.
Claim 3
Dependent Claim
31 words
A decorative surface covering in accordance with claim 1 wherein the decorative layer is formed from plastisol inks selected from the group consisting of foamable inks, non-foamable inks and mixtures thereof.
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) | 1979-07-06 | 1980-01-05 | 1980-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-06 | 1984-01-05 | 1984-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-06 | 1988-01-05 | 1988-07-06 | $7700.00 | Window Closed / Lapsed |