US3223675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cured chlorosulfonated polyethylene compositions
Assignee: Armstrong World Industries Inc
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Filing: 1962-09-19
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Granted: 1965-12-14
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Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Thelma J Brackbill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:22
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/26; C08L23/32; C08L23/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A FLEXIBLE, SOIL-RESISTANT FLOOR COVERING COMPRISING A CURED, PIGMENTED AND PLASTICIZED COMPOSITION CONTAINING 30-85% BY WEIGHT INORGANIC FILLERS AND 70-15% BY WEIGHT OF A BINDER SYSTEM INCLUDING CHLOROSULFONATED POLYETHYLENE RUBBER AND POLY(VINYL ACETAL) CURING AGENT IN AN AMOUNT OF 2-20 PARTS BY WEIGHT OF SAID ACETAL PER 100 PARTS BY WEIGHT OF SAID RUBBER.
Claim 2
Dependent Claim
54 words
A FLEXIBLE, SOIL-RESISTANT FLOOR COVERING COMPRISING A CURED, PIGMENTED AND PLASTICIZED COMPOSITION CONTAINING 30-85% BY WEIGHT INORGANIC FILLERS AND 70-15% BY WEIGHT OF A BINDER SYSTEM INCLUDING CHLOROSULFONATED POLYETHYLENE RUBBER AND POLY(VINYL ACETAL) CURING AGENT IN AN AMOUNT OF 2-20 PARTS BY WEIGHT OF SAID ACETAL PER 100 PARTS BY WEIGHT OF SAID RUBBER.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |