Patent US2646341A successfully refreshed from Google Patents.
US2646341A
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US
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Method of obtaining luster in cotton fabric by mercerizing and calendering the fabric
Assignee: Cluett Peabody and Co Inc
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Filing: 1948-11-23
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Granted: 1953-07-21
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Expires: 1968-11-23
Abstract
No abstract record available.
Inventors
- 👤 Fetscher Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:36
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/32; D06M11/36; D06M11/38; D06Q; D06Q1/00; D06Q1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE METHOD OF TREATING A FABRIC FORMED LARGELY OF COTTON FIBERS TO IMPART THERETO AN INCREASED LUSTRE THAT IS PERMANENT TO MULTIPLE LAUNDRY WASHES, WHICH COMPRISES WETTING THE FABRIC WITH AN AQUEOUS CAUSTIC SODA SOLUTION OF MERCERIZING STRENGTH UNTIL THE COTTON FIBERS THEREOF HAVE APPROXIMATELY MAXIMUM SWELLING AND PLASTICITY, THEN IMMEDIATELY, WHILE THE COTTON FIBERS ARE STILL SWELLED AND PLASTIC, SUCCESSIVELY RINSING THE FABRIC WITH WATER TO PROGRESSIVELY REMOVE THE CAUSTIC SODA FROM THE FIBERS, AND AFTER THE RINSING HAS BEGUN AND SHORTLY BEFORE THE CAUSTIC HAS BEEN FULLY REMOVED, PERMANENTLY FLATTENING THE SWELLED FIBERS.
Claim 2
Independent Claim
95 words
THE METHOD OF TREATING A FABRIC FORMED LARGELY OF COTTON FIBERS TO IMPART THERETO AN INCREASED LUSTRE THAT IS PERMANENT TO MULTIPLE LAUNDRY WASHES, WHICH COMPRISES WETTING THE FABRIC WITH AN AQUEOUS CAUSTIC SODA SOLUTION OF MERCERIZING STRENGTH UNTIL THE COTTON FIBERS THEREOF HAVE APPROXIMATELY MAXIMUM SWELLING AND PLASTICITY, THEN IMMEDIATELY, WHILE THE COTTON FIBERS ARE STILL SWELLED AND PLASTIC, SUCCESSIVELY RINSING THE FABRIC WITH WATER TO PROGRESSIVELY REMOVE THE CAUSTIC SODA FROM THE FIBERS, AND AFTER THE RINSING HAS BEGUN AND SHORTLY BEFORE THE CAUSTIC HAS BEEN FULLY REMOVED, PERMANENTLY FLATTENING THE SWELLED FIBERS.
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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) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |