US2550134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame resistant fabric
Assignee: UNITED STATES FINISHING Co
•
Filing: 1948-03-05
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Granted: 1951-04-24
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Expires: 1968-03-05
Abstract
No abstract record available.
Inventors
- 👤 Balassa Ladislaus
- 👤 Spencer Neil Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:15
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/80; D06M11/82; D06M13/00; D06M13/10; D06M13/144; D06M13/148; D06M13/244; D06M13/282; D06M13/288; D06M13/322; D06M13/368; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2664
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A FIRE-RESISTANT TEXTILE FABRIC IMPREGNATED WITH A FIRE-RESISTANT COMPOSITION CONSISTING ESSENTIALLY OF BORAX, BORIC ACID, A POLYHYDROXY ALCOHOL CAPABLE OF REACTING WITH THE BORAX AND BORIC ACID TO FORM A CONDENSATION PRODUCT, SAID MATERIALS BEING IN THE APROXIMATE RATIOS 70:80:83.5 PARTS BY WEIGHT AND AN ALKANE HAVING AT LEAST TWO AND NOT MORE THAN THREE CARBON ATOMS IN THE CHAIN IN WHICH ONE OF THE HYDROGEN ATOMS IS SUBSTITUTED BY AN AMINO GROUP AND A SECOND HYDROGEN ATOM IS SUBSTITUTED BY A HYDROXYL GROUP, SAID ALKANE BEING IN THE PROPORTION OF 6 TO 8% BY WEIGHT OF THE TOTAL COMPOSITION.
Claim 2
Dependent Claim
100 words
A FIRE-RESISTANT TEXTILE FABRIC IMPREGNATED WITH A FIRE-RESISTANT COMPOSITION CONSISTING ESSENTIALLY OF BORAX, BORIC ACID, A POLYHYDROXY ALCOHOL CAPABLE OF REACTING WITH THE BORAX AND BORIC ACID TO FORM A CONDENSATION PRODUCT, SAID MATERIALS BEING IN THE APROXIMATE RATIOS 70:80:83.5 PARTS BY WEIGHT AND AN ALKANE HAVING AT LEAST TWO AND NOT MORE THAN THREE CARBON ATOMS IN THE CHAIN IN WHICH ONE OF THE HYDROGEN ATOMS IS SUBSTITUTED BY AN AMINO GROUP AND A SECOND HYDROGEN ATOM IS SUBSTITUTED BY A HYDROXYL GROUP, SAID ALKANE BEING IN THE PROPORTION OF 6 TO 8% BY WEIGHT OF THE TOTAL COMPOSITION.
References Cited (Backward Citations)
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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) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |