US2707157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt-impregnated linoleum-type articles and method of making same
Assignee: Dow Chemical Co
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Filing: 1952-01-14
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Granted: 1955-04-26
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Expires: 1972-01-14
Abstract
No abstract record available.
Inventors
- 👤 Stanton George William
- 👤 Thomas C Spence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:46
CPC Classifications
D; D06; D06N; D06N1/00; D06N5/00; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2049; Y10T442/2057; Y10T442/2074; Y10T442/2098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A LINOLEUM TYPE ARTICLE COMPRISING AN ASPHALT IMPREGNATED FIBROUS SHEET AND HAVING THEREOVER A WEAR LAYER WHICH IS COMPATIBLE WITH DISCOLORING FRACTIONS OF ASPHALT AND COMPRISES A MATERIAL FROM THE CLASS CONSISTING OF OIL BASE PAINTS AND ENAMELS AND SYNTHETIC RESIN AND POLYMER PLASTISOLS, THE IMPROVEMENT WHICH CONSISTS IN INTERPOSING BETWEEN THE ASPHALT IMPREGNATED SHEET AND THE WEAR LAYER A SEALING COAT CONSISTING ESSENTIALLY OF A CONTINUOUS DEPOSIT OF A COPOLYMER OF AT LEAST 70 PER CENT VINYLIDENE CHLORIDE, THE BALANCE OF THE COPOLYMER BEING COMPOSED OF 1 TO 2 COMPOUNDS FROM THE GROUP CONSISTING OF VINYL CHLORIDE, VINYL ACETATE, ACRYLONITRILE, AND THE ALKYL ESTERS OF ACRYLIC AND METHACRYLIC ACID CONTAINING FROM 1 TO 8 CARBON ATOMS IN THE ALKYL GROUP.
Claim 2
Dependent Claim
122 words
IN A LINOLEUM TYPE ARTICLE COMPRISING AN ASPHALT IMPREGNATED FIBROUS SHEET AND HAVING THEREOVER A WEAR LAYER WHICH IS COMPATIBLE WITH DISCOLORING FRACTIONS OF ASPHALT AND COMPRISES A MATERIAL FROM THE CLASS CONSISTING OF OIL BASE PAINTS AND ENAMELS AND SYNTHETIC RESIN AND POLYMER PLASTISOLS, THE IMPROVEMENT WHICH CONSISTS IN INTERPOSING BETWEEN THE ASPHALT IMPREGNATED SHEET AND THE WEAR LAYER A SEALING COAT CONSISTING ESSENTIALLY OF A CONTINUOUS DEPOSIT OF A COPOLYMER OF AT LEAST 70 PER CENT VINYLIDENE CHLORIDE, THE BALANCE OF THE COPOLYMER BEING COMPOSED OF 1 TO 2 COMPOUNDS FROM THE GROUP CONSISTING OF VINYL CHLORIDE, VINYL ACETATE, ACRYLONITRILE, AND THE ALKYL ESTERS OF ACRYLIC AND METHACRYLIC ACID CONTAINING FROM 1 TO 8 CARBON ATOMS IN THE ALKYL GROUP.
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) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |