US2646341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of obtaining luster in cotton fabric by mercerizing and calendering the fabric
Assignee: Cluett Peabody and Co Inc
•
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 04:15
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.
References Cited (Backward Citations)
US600826A
Cited
US615045A
Cited
US1030656A
Cited
US994076A
Cited
US1441740A
Cited
US1751089A
Cited
US1747755A
Cited
US1757755A
Cited
GB401504A
Cited
GB462899A
Cited
GB497733A
Cited
GB516843A
Cited
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 |