US2811752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile fiber drafting element containing a surface-active material
Assignee: Armstrong World Industries Inc
•
Filing: 1954-05-03
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Granted: 1957-11-05
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Expires: 1974-05-03
Abstract
No abstract record available.
Inventors
- 👤 Richard A Garrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:34
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/74; D01H5/80; D01H2700/00; D01H2700/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A TEXTILE FIBER DRAFTING ELEMENT HAVING A WORKING SURFACE CHARACTERIZED BY ITS LAP RESISTANCE COMPRISING A VULCANIZED COMPOSITION OF RUBBERLIKE BATADIENE-ACRYLONITRILE COPOLYMER CONTAINING AS A PERMANENT INGREDIENT UNFORMLY DISPERSED IN THE COPOLYMER, IN THE PROPORTIONS OF ABOUT 2 PARTS TO ABOUT 70 PARTS FOR EACH 100 PARTS BY WEIGHT OF THE COPOLYMER, A MATERIAL SELECTED FROM THE GROUP CONSISTING OF NONIONIC AND CATIONIC SURFACE-ACTIVE MATERIALS CONTAINING LONG CHAIN HYDROPHOBIC MOLECULAR GROUPS AND MIXTURES THEREOF WHICH IMPACTS IN SAID PROPORTION LAP-RESISTANCE TO THE ELEMENT .
Claim 2
Dependent Claim
84 words
A TEXTILE FIBER DRAFTING ELEMENT HAVING A WORKING SURFACE CHARACTERIZED BY ITS LAP RESISTANCE COMPRISING A VULCANIZED COMPOSITION OF RUBBERLIKE BATADIENE-ACRYLONITRILE COPOLYMER CONTAINING AS A PERMANENT INGREDIENT UNFORMLY DISPERSED IN THE COPOLYMER, IN THE PROPORTIONS OF ABOUT 2 PARTS TO ABOUT 70 PARTS FOR EACH 100 PARTS BY WEIGHT OF THE COPOLYMER, A MATERIAL SELECTED FROM THE GROUP CONSISTING OF NONIONIC AND CATIONIC SURFACE-ACTIVE MATERIALS CONTAINING LONG CHAIN HYDROPHOBIC MOLECULAR GROUPS AND MIXTURES THEREOF WHICH IMPACTS IN SAID PROPORTION LAP-RESISTANCE TO THE ELEMENT .
References Cited (Backward Citations)
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Cited
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US2450410A
Cited
US2466826A
Cited
US2579375A
Cited
US2624725A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |