US3574656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wallpaper
Assignee: Scott Bader Co Ltd
•
Filing: 1967-06-19
•
Granted: 1971-04-13
•
Expires: 1987-06-19
Abstract
Abstract GROUND COATED WALLPAPER IS PROVIDED WITH A WASHABLE AND STRIPPABLE COATING BY APPLYING AN AQUEOUS EMULSION OF A COPOLYMER CONSISTING ESSENTIALLY OF 30-80 PARTS BY WEIGHT OF VINYLIDENE CHLORIDE AND 70-20 PARTS BY WEIGHT OF AN ALKYL ACRYLATE AND/OR METHACRYLATE. PART OF THE ALKYL ACRYLATE OR METHACRYLATE MAY BE REPLACED BY ACRYLONITRILE AND/OR METHACRYLONITRILE, AND OTHER MONOMERS MAY BE PRESENT, NOTABLY THE AMIDE OF ACRYLIC OR METHACRYLIC ACID, AND/OR A COPOLYMERISABLE ACID SUCH AS ACRYLIC OR METHACRYLIC ACID.
Inventors
- 👤 Barry John Sauntson
- 👤 Jack Bernard Haywood
- 👤 Brian George Elgood
- 👤 Graham Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:16
CPC Classifications
B; B41; B41M; B41M3/00; B41M3/18; D; D21; D21H; D21H27/00; D21H27/18; D21H27/20; D21H21/00; D21H21/14; D21H21/16; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/2486; Y10T428/24868; Y10T428/24876; Y10T428/24893; Y10T428/24901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |