US2914836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making synthetic pile fabrics
Assignee: Dow Silicones Corp
•
Filing: 1957-06-25
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Granted: 1959-12-01
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Expires: 1977-06-25
Abstract
No abstract record available.
Inventors
- 👤 Richard H Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:46
CPC Classifications
D; D06; D06M; D06M23/00; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436; D06Q; D06Q1/00; Y; Y10; Y10S; Y10S8/00; Y10S8/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A METHOD OF PREPARING A SYNTHETIC PILE FABRIC WHICH COMPRISES THE STEPS OF (1) TREATING A FAT TRICOT KNIT FABRIC CONSISTING ESSENTIALLY OF STAPLE FIBERS, A HIGH PERCENTAGE OF WHICH IS SYNTHETIC ORGANIC FIBER, WITH A METHYLSILICONE FLUID IN WHICH AT LEAST A MAJOR PROPORTION OF THE ORGANIC RADICALS ARE METHYL RADICALS, (2) NAPPING THE FABRIC SO TREATED, (3) PASSING THE FABRIC NEAR AN ELECTROSTATIC BAR TO CAUSE THE NAPPED FIBERS TO STAND OUT, (4) AGAIN NAPPING THE FABRIC TO DEVELOP THE DESIRED PILE, AND THEN FINISHING THE FABRIC.
Claim 2
Independent Claim
89 words
A METHOD OF PREPARING A SYNTHETIC PILE FABRIC WHICH COMPRISES THE STEPS OF (1) TREATING A FAT TRICOT KNIT FABRIC CONSISTING ESSENTIALLY OF STAPLE FIBERS, A HIGH PERCENTAGE OF WHICH IS SYNTHETIC ORGANIC FIBER, WITH A METHYLSILICONE FLUID IN WHICH AT LEAST A MAJOR PROPORTION OF THE ORGANIC RADICALS ARE METHYL RADICALS, (2) NAPPING THE FABRIC SO TREATED, (3) PASSING THE FABRIC NEAR AN ELECTROSTATIC BAR TO CAUSE THE NAPPED FIBERS TO STAND OUT, (4) AGAIN NAPPING THE FABRIC TO DEVELOP THE DESIRED PILE, AND THEN FINISHING THE FABRIC.
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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) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |