Patent US2532458A successfully refreshed from Google Patents.
Patent US2739082A successfully refreshed from Google Patents.
US2739082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Felt base floor covering
Assignee: Armstrong World Industries Inc
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Filing: 1952-03-20
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Granted: 1956-03-20
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Expires: 1972-03-20
Abstract
No abstract record available.
Inventors
- 👤 Irving I Bezman
- 👤 Daniel D Browning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:00
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0042; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A FELT BASE FLOOR COVERING COMPRISING A SATURATED FELT BACKING; AN ADHESIVE COATING PAINT CONTAINING ABOUT 50% TO ABOUT 80% BY WEIGHT OF AN INERT FILLER AND ABOUT 50% TO ABOUT 20% BY WEIGHT OF A COMPOSITION CONTAINING ABOUT 25% TO ABOUT 80% BY WEIGHT OF A RUBBERLIKE MATERIAL OF THE GROUP CONSISTING OF BUTADIENE-STYRENE COPOLYMERS, BUTADIENE-ACRYLONITRILE COPOLYMERS, ISOBUTYLENE-ISOPRENE COPOLYMERS, AND POLYCHLOROPRENE, AND ABOUT 75% TO ABOUT 20% BY WEIGHT OF A REINFORCING AGENT OF THE GROUP CONSISTING OF POLYVINYL CHLORIDE, COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE, COPOLYMERS OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, RESINOUS COPOLYMERS OF STYRENE AND BUTADIENE, AND POLYSTYRENE; AND A DECORATIVE SURFACE COATING CONTAINING VINYL RESIN.
Claim 2
Dependent Claim
111 words
A FELT BASE FLOOR COVERING COMPRISING A SATURATED FELT BACKING; AN ADHESIVE COATING PAINT CONTAINING ABOUT 50% TO ABOUT 80% BY WEIGHT OF AN INERT FILLER AND ABOUT 50% TO ABOUT 20% BY WEIGHT OF A COMPOSITION CONTAINING ABOUT 25% TO ABOUT 80% BY WEIGHT OF A RUBBERLIKE MATERIAL OF THE GROUP CONSISTING OF BUTADIENE-STYRENE COPOLYMERS, BUTADIENE-ACRYLONITRILE COPOLYMERS, ISOBUTYLENE-ISOPRENE COPOLYMERS, AND POLYCHLOROPRENE, AND ABOUT 75% TO ABOUT 20% BY WEIGHT OF A REINFORCING AGENT OF THE GROUP CONSISTING OF POLYVINYL CHLORIDE, COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE, COPOLYMERS OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, RESINOUS COPOLYMERS OF STYRENE AND BUTADIENE, AND POLYSTYRENE; AND A DECORATIVE SURFACE COATING CONTAINING VINYL 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) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |