US2741569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat carbonizable embroidery crinoline and method of making the same
Assignee: Kendall Co
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Filing: 1952-11-14
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Granted: 1956-04-10
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Expires: 1972-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Stanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:47
CPC Classifications
D; D06; D06Q; D06Q1/00; D06Q1/02; Y; Y10; Y10T; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/172; Y10T442/20; Y10T442/2361
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AS A NEW ARTICLE OF MANUFACTURE, A NORMALLY STABLE YET READILY HEAT-CARBONIZABLE EMBROIDERY CRINOLINE COMPRISING A CELLULOSIC FABRIC IMPREGNATED WITH A TEXTILE STIFFENING AGENT FOR SAID FABRIC, AND ALKALINE RETARDER SELECTED FROM THE GROUP CONSISTING OF WATER INSOLUBLE INORGANIC BASES AND WATER SOLUBLE SALTS OF WEAK ACIDS AND STRONG BASES, THE ALKALINE RETARDER HAVING THE CHARACTERISTICS OF BEING ABLE TO NEUTRALIZE FREE ACID AND NOT INTERACT WITH ACID-FORMING SALT TO ANY APPRECIABLE EXTENT AT ORDINARY TEMPERATURES AND HUMIDITIES, THE WEIGHT EQUIVALENT PERCENT OF SAID ALKALINE RETARDER EBING BETWEEN 0.001 AND 0.143% BASED ON THE WEIGHT OF SAID STIFFENED FABRIC, AND AN ACID-FORMING SALT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE, ALUMINUM SULFATE AND MIXTURES THEREOF, THE WEIGHT EQUIVALENT PERCENT EXCESS OF SAID ACID SALT OVER SAID ALKALINE RETARDER BEING BETWEEN 0.01% AND 0.4% BASED ON THE WEIGHT OF THE STIFFENED FARBIC.
Claim 2
Dependent Claim
142 words
AS A NEW ARTICLE OF MANUFACTURE, A NORMALLY STABLE YET READILY HEAT-CARBONIZABLE EMBROIDERY CRINOLINE COMPRISING A CELLULOSIC FABRIC IMPREGNATED WITH A TEXTILE STIFFENING AGENT FOR SAID FABRIC, AND ALKALINE RETARDER SELECTED FROM THE GROUP CONSISTING OF WATER INSOLUBLE INORGANIC BASES AND WATER SOLUBLE SALTS OF WEAK ACIDS AND STRONG BASES, THE ALKALINE RETARDER HAVING THE CHARACTERISTICS OF BEING ABLE TO NEUTRALIZE FREE ACID AND NOT INTERACT WITH ACID-FORMING SALT TO ANY APPRECIABLE EXTENT AT ORDINARY TEMPERATURES AND HUMIDITIES, THE WEIGHT EQUIVALENT PERCENT OF SAID ALKALINE RETARDER EBING BETWEEN 0.001 AND 0.143% BASED ON THE WEIGHT OF SAID STIFFENED FABRIC, AND AN ACID-FORMING SALT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE, ALUMINUM SULFATE AND MIXTURES THEREOF, THE WEIGHT EQUIVALENT PERCENT EXCESS OF SAID ACID SALT OVER SAID ALKALINE RETARDER BEING BETWEEN 0.01% AND 0.4% BASED ON THE WEIGHT OF THE STIFFENED FARBIC.
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) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |