Patent US3671283A successfully refreshed from Google Patents.
US3671283A
Expired / Lapsed
US
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Embossed plastic surface covering and method of preparing same
Assignee: Individual
•
Filing: 1970-06-03
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Granted: 1972-06-20
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Expires: 1990-06-03
Abstract
Abstract A CHEMICALLY EMBOSSED VINYL CHLORIDE RESIN SHEET MATERIAL IS PREPARED BY TREATING THE GELLED SURFACE OF A VINYL CHLORIDE RESIN PLASTISOL CONTAINING A BLOWING AGENT WITH AN AQUEOUS LATEX OF A VINYL CHLORIDE RESIN, WHEREBY ON SUBSEQUENT HEATING OF THE TREATED GELLED VINYL CHLORIDE RESIN SHEET MATERIAL TO DECOMPOSE THE BLOWING AGENT AND DRIVE OFF THE WATER OF THE LATEX, FULL EXPANSION OF THE SHEET MATERIAL IN PREVENTED BY THE INCREASE IN RESIN CONTENT IN THE TREATED AREAS, THEREBY PRODUCING A CHEMICALLY EMBOSSED PRODUCT.
Inventors
- 👤 Richard P Crowley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:40
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; B; B32; B32B; B32B25/00; B32B25/04; B32B25/08; B05; B05D; B05D5/00; B05D5/06; B05D5/061; B32B27/00; B32B27/30; B32B27/304; B32B37/00; B32B37/06; D; D06; D06N; D06N3/00; D06N3/04; D06N3/06; D06N7/00; D06N7/0005; D06N7/0007; D06N7/0013; D06N7/0015; B05D5/02; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |