Patent US3449060A successfully refreshed from Google Patents.
US3449060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of textile fabric
Assignee: Klopman Mills Inc
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Filing: 1963-11-04
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Granted: 1969-06-10
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Expires: 1983-11-04
Abstract
No abstract record available.
Inventors
- 👤 John R Schenck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:50
CPC Classifications
D; D06; D06B; D06B7/00; D06B7/08; D06M; D06M11/00; D06M11/32; D06M11/36; D06M11/38; D06M11/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A CONTINUOUS PROCESS FOR CAUSTICIZING A TEXTILE FABRIC CONTAINING CELLULOSIC-LINEAR POLYESTER BLENDS WHICH COMPRISES IMPREGNATING THE FABRIC WITH AQUEOUS CAUSTIC SODA SOLUTION AT A TEMPERATURE BETWEEN 100* AND 110*F., A PLURALITY OF TIMES, AND AERATING THE THUS TREATED FABRIC AFTER EACH SAID IMPREGNATION FOR .13 TO .23 MINUTE, MAINTAINING SAID FABRIC UNDER LENGTHWISE TENSION THROUGHOUT SAID IMPREGNATING AND AERATING STEPS WITH MINIMAL WIDTHWISE TENSION SUFFICIENT ONLY TO KEEP THE FABRIC SMOOTH AND WHEREIN SAID FABRIC IS WASHED, STEAMED AND DRIED AFTER SAID IMPREGNATING AND AERATING STEPS, ALL OF SAID OPERATIONS BEING CARRIED OUT CONTINUOUSLY.
Claim 2
Dependent Claim
94 words
A CONTINUOUS PROCESS FOR CAUSTICIZING A TEXTILE FABRIC CONTAINING CELLULOSIC-LINEAR POLYESTER BLENDS WHICH COMPRISES IMPREGNATING THE FABRIC WITH AQUEOUS CAUSTIC SODA SOLUTION AT A TEMPERATURE BETWEEN 100* AND 110*F., A PLURALITY OF TIMES, AND AERATING THE THUS TREATED FABRIC AFTER EACH SAID IMPREGNATION FOR .13 TO .23 MINUTE, MAINTAINING SAID FABRIC UNDER LENGTHWISE TENSION THROUGHOUT SAID IMPREGNATING AND AERATING STEPS WITH MINIMAL WIDTHWISE TENSION SUFFICIENT ONLY TO KEEP THE FABRIC SMOOTH AND WHEREIN SAID FABRIC IS WASHED, STEAMED AND DRIED AFTER SAID IMPREGNATING AND AERATING STEPS, ALL OF SAID OPERATIONS BEING CARRIED OUT CONTINUOUSLY.
References Cited (Backward Citations)
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US1807762A
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US1717870A
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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) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |