US2712834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire retardant fabric
Assignee: Chicopee Mills Inc
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Filing: 1952-05-06
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Granted: 1955-07-12
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Expires: 1972-05-06
Abstract
No abstract record available.
Inventors
- 👤 Robert A Black
- 👤 Joseph F Rohs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:43
CPC Classifications
D; D03; D03D; D03D15/00; D03D15/50; D03D15/513
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A FIRE RETARDANT TEXTILE FABRIC COMPRISING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYACRYLONITRILE, A COPOLYMER OF ACRYLONITRILE AND A VINYL HALIDE AND A COPOLYMER OF ACRYLONITRILE AND VINYL ACETATE, AND BETWEEN TEN PER CENT (10%) AND SIXTY PER CENT (60%) BY WEIGHT OF A COPOLYMER HAVING A MAJOR PORTION OF VINYLIDENE CHLORIDE AND VINYL CHLORIDE OR ACRYLONITRILE TO THE EXTENT OF AT LEAST FIVE PER CENT (5%), WHEREBY MATERIAL SELECTED FROM SAID GROUP IMPARTS QUALITIES OF GOOD HAND AND DRAPE TO THE FABRIC AND SAID LAST-MENTIONED COPOLYMER IS SUFFICIENT TO SUBSTANTIALLY REDUCE THE ABILITY OF THE FIRST-MENTIONED MATERIAL TO SUPPORT COMBUSTION.
Claim 2
Dependent Claim
103 words
A FIRE RETARDANT TEXTILE FABRIC COMPRISING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYACRYLONITRILE, A COPOLYMER OF ACRYLONITRILE AND A VINYL HALIDE AND A COPOLYMER OF ACRYLONITRILE AND VINYL ACETATE, AND BETWEEN TEN PER CENT (10%) AND SIXTY PER CENT (60%) BY WEIGHT OF A COPOLYMER HAVING A MAJOR PORTION OF VINYLIDENE CHLORIDE AND VINYL CHLORIDE OR ACRYLONITRILE TO THE EXTENT OF AT LEAST FIVE PER CENT (5%), WHEREBY MATERIAL SELECTED FROM SAID GROUP IMPARTS QUALITIES OF GOOD HAND AND DRAPE TO THE FABRIC AND SAID LAST-MENTIONED COPOLYMER IS SUFFICIENT TO SUBSTANTIALLY REDUCE THE ABILITY OF THE FIRST-MENTIONED MATERIAL TO SUPPORT COMBUSTION.
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) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |