Patent US4067210A successfully refreshed from Google Patents.
US4067210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warp knit fabric containing weft of protective yarn-covered activated-carbon yarn
Assignee: United States Department of the Army
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Filing: 1975-10-14
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Granted: 1978-01-10
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Expires: 1995-10-14
Abstract
Abstract A warp knit fabric containing weft inserted protective yarn-covered activd-carbon yarn which is particularly adapted for use in clothing for protection of the wearer against toxic chemical vapors or gases, the toxic vapors being sorbed by the activated-carbon yarn portion of the weft. Non-carbon yarns are used in the warp.
Inventors
- 👤 Gilbert N. Arons
- 👤 Laurance G. Coffin
- 👤 Richard N. Macnair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:55
CPC Classifications
D; D04; D04B; D04B21/00; D04B21/14; D04C; D04C1/00; D04C1/06; D04C1/12; D10; D10B; D10B2403/00; D10B2403/02; D10B2403/024; D10B2403/0241; D10B2403/02411; D10B2403/0242; D10B2501/00; D10B2501/04
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
73 words
An improved warp knitted activated-carbon fabric, said fabric having a weft comprising a protective yarn-covered activated-carbon yarn every course thereof being inserted across the full width of said fabric and having non-activated-carbon warp yarns in the wales and courses of said fabric, said fabric being a tricot knit fabric having a design represented by the bar movement pattern: front guide bar: 1-0, 1-2 back guide bar: 2-3, 1-0 back guide bar: 2-0, 2-4.
Claim 2
Dependent Claim
73 words
An improved warp knitted activated-carbon fabric, said fabric having a weft comprising a protective yarn-covered activated-carbon yarn every course thereof being inserted across the full width of said fabric and having non-activated-carbon warp yarns in the wales and courses of said fabric, said fabric being a tricot knit fabric having a design represented by the bar movement pattern: front guide bar: 1-0, 1-2 back guide bar: 2-3, 1-0 back guide bar: 2-0, 2-4.
Claim 3
Dependent Claim
19 words
An activated-carbon fabric according to claim 1, wherein said protective yarn-covered activated-carbon yarn is braided with a cotton yarn.
Claim 4
Dependent Claim
19 words
An activated-carbon fabric according to claim 1, wherein said protective yarn-covered activated-carbon yarn is wrapped with a cotton yarn.
Claim 5
Dependent Claim
19 words
An activated-carbon fabric according to claim 1, wherein said protective yarn-covered activated-carbon yarn is braided with a wool yarn.
Claim 6
Dependent Claim
26 words
An activated-carbon fabric according to claim 1, wherein said activated-carbon fabric has a sorptivity for carbon tetrachloride vapor of at least 1 mg/cm 2 of fabric.
Claim 7
Dependent Claim
24 words
An activated-carbon fabric according to claim 1, wherein at least 30 percent by weight of the protective yarn-covered activated-carbon yarn is an activated-carbon yarn.
Claim 8
Dependent Claim
45 words
An activated-carbon fabric according to claim 2, wherein at least 30 percent by weight of said activated-carbon yarn braided with cotton yarn is an activated-carbon yarn and said activated-carbon fabric has a sorptivity for carbon tetrachloride vapor of at least 1 mg/cm 2 of fabric.
Claim 9
Dependent Claim
93 words
A protective clothing garment for protection of a wearer thereof against a toxic chemical vapor or gas agent, said protective clothing garment being made of a warp knitted activated-carbon fabric , said fabric having a wept comprising a protective yarn-covered activated-carbon yarn every course thereof being inserted across the full width of said fabric and having non-activated-carbon warp yarns in the wales and courses of said fabric, said fabric being a raschel knit fabric having a design represented by the bar movement pattern: front guide bar: 4-6, 2-0 back guide bar: 2-0, 2-4.
Claim 10
Dependent Claim
93 words
A protective clothing garment for protection of a wearer thereof against a toxic chemical vapor or gas agent, said protective clothing garment being made of a warp knitted activated-carbon fabric , said fabric having a wept comprising a protective yarn-covered activated-carbon yarn every course thereof being inserted across the full width of said fabric and having non-activated-carbon warp yarns in the wales and courses of said fabric, said fabric being a raschel knit fabric having a design represented by the bar movement pattern: front guide bar: 4-6, 2-0 back guide bar: 2-0, 2-4.
Claim 11
Dependent Claim
20 words
A protective clothing garment according to claim 8, wherein said protective yarn-covered activated-carbon yarn is braided with a cotton yarn.
Claim 12
Dependent Claim
20 words
A protective clothing garment according to claim 8, wherein said protective yarn-covered activated-carbon yarn is wrapped with a cotton yarn.
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) | 1981-01-09 | 1981-07-11 | 1982-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-09 | 1985-07-11 | 1986-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-09 | 1989-07-11 | 1990-01-10 | $7700.00 | Window Closed / Lapsed |