US2624683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible floor covering
Assignee: Armstrong World Industries Inc
•
Filing: 1951-01-24
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Granted: 1953-01-06
•
Expires: 1971-01-24
Abstract
No abstract record available.
Inventors
- 👤 Irving I Bezman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:42
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/06; D06N3/065; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A FLEXIBLE, HARD-SURFACE FLOOR COVERING COMPRISING A SATURATED FELT BACKING, A FIRST COATING OBTAINED BY DEPOSITING FROM AN AQUEOUS DISPERSION CONTAINING POLYVINYL CHLORIDE, AND A FUSED TOP COAT DEPOSITED FROM AN AQUEOUS DISPERSION CONTAINING ABOUT 50% TO ABOUT 65% POLYVINYL CHLORIDE AND ABOUT 35% TO 50% OF BUTADIENEACRYLONITRILE RUBBER.
Claim 2
Dependent Claim
49 words
A FLEXIBLE, HARD-SURFACE FLOOR COVERING COMPRISING A SATURATED FELT BACKING, A FIRST COATING OBTAINED BY DEPOSITING FROM AN AQUEOUS DISPERSION CONTAINING POLYVINYL CHLORIDE, AND A FUSED TOP COAT DEPOSITED FROM AN AQUEOUS DISPERSION CONTAINING ABOUT 50% TO ABOUT 65% POLYVINYL CHLORIDE AND ABOUT 35% TO 50% OF BUTADIENEACRYLONITRILE RUBBER.
References Cited (Backward Citations)
US2133886A
Cited
US2330353A
Cited
US2491923A
Cited
US2527299A
Cited
US2487060A
Cited
US2529799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |