US2784113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Felt base floor covering
Assignee: Armstrong World Industries Inc
•
Filing: 1950-12-27
•
Granted: 1957-03-05
•
Expires: 1970-12-27
Abstract
No abstract record available.
Inventors
- 👤 Jr James E Hazeltine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:18
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0044; D06N7/0042; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A FELT BASE FLOOR COVERING COMPRISING AN ASPHALT SATURATED FELT BACKING; A COATING PAINT, THE BINDER OF WHICH CONTAINS ABOUT 30% BY WEIGHT OF A RESINOUS COPOLYMER OF BUTADIENE AND STYRENE CONTAINING AT LEAST 50% STYRENE AND ABOUT 70% BY WEIGHT OF A DRYING OIL VARNISH; AND A DACORATIVE TOP COATING.
Claim 2
Dependent Claim
51 words
A FELT BASE FLOOR COVERING COMPRISING AN ASPHALT SATURATED FELT BACKING; A COATING PAINT, THE BINDER OF WHICH CONTAINS ABOUT 30% BY WEIGHT OF A RESINOUS COPOLYMER OF BUTADIENE AND STYRENE CONTAINING AT LEAST 50% STYRENE AND ABOUT 70% BY WEIGHT OF A DRYING OIL VARNISH; AND A DACORATIVE TOP COATING.
References Cited (Backward Citations)
US2133886A
Cited
US2431001A
Cited
US2487070A
Cited
US2554899A
Cited
US2624682A
Cited
US2624683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |