US2961029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making resilient smoothsurfaced floor covering materials
Assignee: Armstrong World Industries Inc
•
Filing: 1956-06-07
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Granted: 1960-11-22
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Expires: 1976-06-07
Abstract
No abstract record available.
Inventors
- 👤 Robert J Rainar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:43
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249991; Y10T428/249992; Y10T428/249993; Y10T428/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE METHOD OF MAKING A RESILIENT SMOOTH-SURFACED FLOOR COVERING COMPRISING FORMING A WATER-REPELLENT, BEATER SATURATED FELT CONTAINING BUTADIENE-STYRENE COPOLYMER DEPOSITED ON THE FIBERS AS A BINDER THEREFOR, DEPOSITING ON ONE SURFACE OF SAID SHEET A DECORATIVE WEAR-RESISTANT LAYER, SUBJECTING SAID LAYER TO ELEVATED TEMPERATURES, SUPPLYING TO THE OTHER SURFACE OF SAID FELT A MASS OF FOAMED LATEX CONTAINING A VULCANIZING AGENT, A GELLING AGENT, AND AT LEAST ABOUT 50% BY WEIGHT FILLER BASED ON THE WEIGHT OF RUBBER SOLIDS IN SAID LATEX, LEVELING OFF SAID MASS TO FORM A FOAMED LATEX LAYER OF EVEN THICKNESS IN THE RANGE OF 1/32" TO 1/4", GELLING SAID FOAMED LATEX LAYER, AND HEAT TREATING SAID FOAMED LATEX LAYER TO CAUSE DRYING AND VULCANIZATION THEREOF.
Claim 2
Independent Claim
120 words
THE METHOD OF MAKING A RESILIENT SMOOTH-SURFACED FLOOR COVERING COMPRISING FORMING A WATER-REPELLENT, BEATER SATURATED FELT CONTAINING BUTADIENE-STYRENE COPOLYMER DEPOSITED ON THE FIBERS AS A BINDER THEREFOR, DEPOSITING ON ONE SURFACE OF SAID SHEET A DECORATIVE WEAR-RESISTANT LAYER, SUBJECTING SAID LAYER TO ELEVATED TEMPERATURES, SUPPLYING TO THE OTHER SURFACE OF SAID FELT A MASS OF FOAMED LATEX CONTAINING A VULCANIZING AGENT, A GELLING AGENT, AND AT LEAST ABOUT 50% BY WEIGHT FILLER BASED ON THE WEIGHT OF RUBBER SOLIDS IN SAID LATEX, LEVELING OFF SAID MASS TO FORM A FOAMED LATEX LAYER OF EVEN THICKNESS IN THE RANGE OF 1/32" TO 1/4", GELLING SAID FOAMED LATEX LAYER, AND HEAT TREATING SAID FOAMED LATEX LAYER TO CAUSE DRYING AND VULCANIZATION THEREOF.
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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) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |