US2734834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated pile fabric and method of making
Assignee: —
•
Filing: 1954-02-19
•
Granted: 1956-02-14
•
Expires: 1974-02-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:57
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/32; D06M11/36; D06M11/46; D06M11/44; D06M11/45; D06M11/77; D06M11/79; D21; D21H; D21H19/00; G; G01; G01N; G01N19/00; G01N19/04; D06M2101/00; D06M2101/02; D06M2101/04; D06M2101/06; D06M2101/08; D06M2101/10; D06M2101/12; D06M2101/16; D06M2101/18; D06M2101/26; D06M2101/30; D06M2101/32; D06M2101/34; D06M2400/00; D06M2400/02; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23921; Y10T428/23986; Y10T428/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PILE FABRIC HAVING A BACKING AND PILE TUFTS ANCHORED THEREIN AND EXTENDING UPWARDLY THEREFROM, SAID PILE TUFTS HAVING A SURFACE COATING IN AN AMOUNT OF .25% TO 5% BY WEIGHT OF THE PILE OF A SUBSTANCE CONTAINING A MAJOR PORTION OF A HYDROUS PYROLYTIC ALUMINUM OXIDE HAVING A SURFACE AREA OF 15 TO 200 M2/G., AN AVERAGE WORKING PARTICLE SIZE OF NOT OVER .6 MICRON, SAID OXIDE BEING NON-HYGROSCOPIC, INERT TO THE ATMOSPHERE AND INERT TO THE MATERIAL OF THE PILE FABRIC, SAID COATED SURFACE HAVING THE ADHERENCE AND WHITENING CHARACTERISTICS CORRESPONDING TO AN ADHERENCE INDEX OF NOT OVER .85 AND A WHITENING INDEX OF NOT OVER 10.6 DETERMINED AS DEFINED HEREIN.
Claim 2
Dependent Claim
113 words
A PILE FABRIC HAVING A BACKING AND PILE TUFTS ANCHORED THEREIN AND EXTENDING UPWARDLY THEREFROM, SAID PILE TUFTS HAVING A SURFACE COATING IN AN AMOUNT OF .25% TO 5% BY WEIGHT OF THE PILE OF A SUBSTANCE CONTAINING A MAJOR PORTION OF A HYDROUS PYROLYTIC ALUMINUM OXIDE HAVING A SURFACE AREA OF 15 TO 200 M2/G., AN AVERAGE WORKING PARTICLE SIZE OF NOT OVER .6 MICRON, SAID OXIDE BEING NON-HYGROSCOPIC, INERT TO THE ATMOSPHERE AND INERT TO THE MATERIAL OF THE PILE FABRIC, SAID COATED SURFACE HAVING THE ADHERENCE AND WHITENING CHARACTERISTICS CORRESPONDING TO AN ADHERENCE INDEX OF NOT OVER .85 AND A WHITENING INDEX OF NOT OVER 10.6 DETERMINED AS DEFINED HEREIN.
References Cited (Backward Citations)
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US1947597A
Cited
US1850413A
Cited
US2085129A
Cited
US2093454A
Cited
US2266636A
Cited
US2587505A
Cited
US2570750A
Cited
US2622307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |