Patent US3019747A successfully refreshed from Google Patents.
Patent US3575778A successfully refreshed from Google Patents.
US3575778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pile fabric floor covering
Assignee: ROGER L WILCOX
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Filing: 1968-02-16
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Granted: 1971-04-20
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Expires: 1988-02-16
Abstract
Abstract AS AN ARTICLE, AND ITS METHOD OF MANUFACTURE, A FLOOR COVERING OR THE LIKE, HAVING A NON-WOVEN PILE SURFACE, COMPRISING A BACKING, A LAYER OF FLEXIBLE PLASTIC SECURED TO THE BACKING AND A MULTIPLICITY OF YARN SEGMENTS OVERLYING THE PLASTIC PLY AND SECURED THERETO AS A PILE TREAD SURFACE COVER BY ADHESION THERETO AND BY EMBEDMENT THEREIN ALONG SPACED LANES OF DEPRESSION FORMED IN THE PLASTIC PLY, A PLURALITY OF YARN SEGMENTS ADJACENT TO SAID LANES OF DEPRESSION HAVING ENDS DEFLECTED UPWARDLY TO PRESENT PILE-LIKE TUFTS.
Inventors
- 👤 Roger L Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:27
CPC Classifications
D; D04; D04H; D04H11/00; D04H11/08; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23929; Y10T428/23979; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/24612
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |