US2803573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient hard surface covering
Assignee: Armstrong World Industries Inc
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Filing: 1953-11-25
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Granted: 1957-08-20
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Expires: 1973-11-25
Abstract
No abstract record available.
Inventors
- 👤 Lloyd V Hassel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:01
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/0056; D06N3/0061; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2049; Y10T442/2057; Y10T442/2074
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A RESILENT FLOOR OR WALL COVERING COMPRISING A DECORATIVE WEARING SURFACE AFFIXED TO A FLBROUS FOUNDATION SHEET SATURATED WITH AN OLEORESINOPUS SATURANT AND CURRYING A BACK COATING SYSTEM COMPRISING A FIRST COAT WHICH INCLUDES A FILM DESPOSITED FROM A DISPERSION OF FINELY DIVIDED PARTICLES OF A BLEND POLYVINYL CHLORIDE RESIN AND BUTADIENE-ACRYLONITRILE SYNTHETIC RUBBER AND A TOP COAT DEPOSITED FROM A DISPERSION CONTAINING PLASTICIZED POLYSTYRENE RESIN AND WATER-INSOLUBLE PROTEIN.
Claim 2
Dependent Claim
69 words
A RESILENT FLOOR OR WALL COVERING COMPRISING A DECORATIVE WEARING SURFACE AFFIXED TO A FLBROUS FOUNDATION SHEET SATURATED WITH AN OLEORESINOPUS SATURANT AND CURRYING A BACK COATING SYSTEM COMPRISING A FIRST COAT WHICH INCLUDES A FILM DESPOSITED FROM A DISPERSION OF FINELY DIVIDED PARTICLES OF A BLEND POLYVINYL CHLORIDE RESIN AND BUTADIENE-ACRYLONITRILE SYNTHETIC RUBBER AND A TOP COAT DEPOSITED FROM A DISPERSION CONTAINING PLASTICIZED POLYSTYRENE RESIN AND WATER-INSOLUBLE PROTEIN.
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) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |