Patent US4216735A successfully refreshed from Google Patents.
US4216735A
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US
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Multi-colored tufted carpet and method of producing same
Assignee: WWG IND Inc
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Filing: 1978-05-17
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Granted: 1980-08-12
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Expires: 1998-05-17
Abstract
Abstract A patterned, multi-colored carpet is achieved by space dyeing a polyester of a polypropylene yarn, tufting the spaced dyed yarn and an undyed yarn having a susceptibility to a dye to which the polyester or polypropylene yarn is not susceptible in alternating rows by a high/low technique to form a carpet having a high/low design thereon, and thereafter dyeing the undyed yarn. This invention relates to a method of making a multicolored patterned carpet and more particularly a multi-colored patterned tufted carpet.
Inventors
- 👤 Ollie F. McDaniel, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:09
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/0096; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23929; Y10T428/23936
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
84 words
A method of making a multi-colored patterned carpet which consists essentially of space dyeing a yarn selected from the group consisting of polyester and polypropylene yarns, tufting said space dyed yarn and an undyed yarn having a susceptibility to a dye to which the space dyed yarn is non susceptible in alternating rows by a high/low technique to form a carpet having a high/low design thereon, and thereafter dyeing said undyed yarn with a dye to which the space dyed yarn is not susceptible.
Claim 2
Independent Claim
84 words
A method of making a multi-colored patterned carpet which consists essentially of space dyeing a yarn selected from the group consisting of polyester and polypropylene yarns, tufting said space dyed yarn and an undyed yarn having a susceptibility to a dye to which the space dyed yarn is non susceptible in alternating rows by a high/low technique to form a carpet having a high/low design thereon, and thereafter dyeing said undyed yarn with a dye to which the space dyed yarn is not susceptible.
Claim 3
Dependent Claim
13 words
The method of claim 1 wherein said undyed yarn is a nylon yarn.
Claim 4
Dependent Claim
14 words
The method of claim 1 wherein said undyed yarn is dyed by tak dyeing.
Claim 5
Dependent Claim
41 words
The method of claim 1 wherein said space dyed yarn is a polyester yarn and is space dyed with a disperse dye, and wherein said undyed yarn is a nylon yarn which is dyed by tak dyeing with an acid dye.
Claim 6
Dependent Claim
13 words
The method of claim 1 wherein said undyed yarn is a polyester yarn.
Claim 7
Dependent Claim
22 words
The method of claim 1 wherein said space dyed yarn is a polypropylene yarn and is dyed with a nickel chelate dye.
Claim 8
Dependent Claim
20 words
The method of claim 6 wherein said undyed yarn is a polyester yarn which is dyed with a disperse dye.
Claim 9
Dependent Claim
20 words
The method of claim 6 wherein said undyed yarn is a nylon yarn and is dyed with a disperse dye.
Claim 10
Dependent Claim
20 words
The method of claim 6 wherein said undyed yarn is a nylon yarn and is dyed with an acid dye.
Claim 11
Dependent Claim
11 words
A multi-colored patterned carpet produced by the method of claim 1.
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) | 1983-08-12 | 1984-02-11 | 1984-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-12 | 1988-02-11 | 1988-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-12 | 1992-02-11 | 1992-08-12 | $7700.00 | Window Closed / Lapsed |