US2742377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible floor covering and method of making the same
Assignee: Armstrong World Industries Inc
•
Filing: 1952-05-13
•
Granted: 1956-04-17
•
Expires: 1972-05-13
Abstract
No abstract record available.
Inventors
- 👤 Irving I Bezman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:42
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/10; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0042; D06N7/0044; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107; Y10T442/273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A FLEXIBLE, HARD SURFACE FLOOR CONVERING COMPRISING A SATURATED FELT BACKING CARRYING A FILM DEPOSITED FROM AN AQUEOUS DISPERSION CONTAINING ABOUT 75% TO ABOUT 85% BY WEIGHT FILLER AND ABOUT 15% TO ABOUT 25% BY WEIGHT OF A BINDER CONTAINING ABOUT 20% TO ABOUT 60% BY WEIGHT OF A ROSIN COMPOUND AND ABOUT 80% TO ABOUT 40% BY WEIGHT OF A RESINOUS STYRENE POLYMER AND FUSED TOP COAT DEPOSITED FROM AN AQUEOUS DISPERSION COMPRISING ABOUT 25% TO ABOUT 35% FILLER AND ABOUT 65% TO ABOUT 75% BINDER CONTAINING ABOUT 20% TO ABOUT 50% BY WEIGHT OF RUBBERLIKE BUTADIENE POLYMER AND ABOUT 80% TO ABOUT 50% BY WEIGHT OF A VINYL REINFORCING RESIN.
Claim 2
Dependent Claim
112 words
A FLEXIBLE, HARD SURFACE FLOOR CONVERING COMPRISING A SATURATED FELT BACKING CARRYING A FILM DEPOSITED FROM AN AQUEOUS DISPERSION CONTAINING ABOUT 75% TO ABOUT 85% BY WEIGHT FILLER AND ABOUT 15% TO ABOUT 25% BY WEIGHT OF A BINDER CONTAINING ABOUT 20% TO ABOUT 60% BY WEIGHT OF A ROSIN COMPOUND AND ABOUT 80% TO ABOUT 40% BY WEIGHT OF A RESINOUS STYRENE POLYMER AND FUSED TOP COAT DEPOSITED FROM AN AQUEOUS DISPERSION COMPRISING ABOUT 25% TO ABOUT 35% FILLER AND ABOUT 65% TO ABOUT 75% BINDER CONTAINING ABOUT 20% TO ABOUT 50% BY WEIGHT OF RUBBERLIKE BUTADIENE POLYMER AND ABOUT 80% TO ABOUT 50% BY WEIGHT OF A VINYL REINFORCING RESIN.
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) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |