Patent US2637674A successfully refreshed from Google Patents.
Patent US2705684A successfully refreshed from Google Patents.
US2705684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of printed floor coverings
Assignee: Armstrong World Industries Inc
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Filing: 1952-04-10
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Granted: 1955-04-05
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Expires: 1972-04-10
Abstract
No abstract record available.
Inventors
- 👤 Jr James E Hazeltine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:09
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0028; D06N3/00; D06N3/04; D06N3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PROCESS OF MAKING PRINTED FELT BASE FLOOR COVERING COMPRISING COATING A SHEET OF WATERPROOF FELT, APPLYING OVER SAID COATING A FILM OF A COMPOSITION CONTAINING AT LEAST 25% BY WEIGHT OF PLASTICIZER FOR VINYL RESIN, BLOCK PRINTING A DECORATIVE WEAR LAYER OF A DISPERSION OF PLASTICIZED VINYL RESIN ONTO SAID FILM OF PLASTICIZER, AND FUSING THE VINYL RESIN LAYER AT ELEVATED TEMPERATURES.
Claim 2
Dependent Claim
63 words
A PROCESS OF MAKING PRINTED FELT BASE FLOOR COVERING COMPRISING COATING A SHEET OF WATERPROOF FELT, APPLYING OVER SAID COATING A FILM OF A COMPOSITION CONTAINING AT LEAST 25% BY WEIGHT OF PLASTICIZER FOR VINYL RESIN, BLOCK PRINTING A DECORATIVE WEAR LAYER OF A DISPERSION OF PLASTICIZED VINYL RESIN ONTO SAID FILM OF PLASTICIZER, AND FUSING THE VINYL RESIN LAYER AT ELEVATED TEMPERATURES.
References Cited (Backward Citations)
US2133886A
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US2330353A
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US2589502A
Cited
US2554899A
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US2624682A
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US2624683A
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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) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |