US3778290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decorative flooring surfaces
Assignee: Imperial Chemical Industries Ltd
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Filing: 1971-03-11
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Granted: 1973-12-11
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Expires: 1991-03-11
Abstract
Abstract A PROCESS FOR THE MANUFACTURE OF DECORATIVE FLOORING SURFACES WHICH COMPRISES APPLYING TO THE FLOOR TO BE SURFACED A COMPOSITION HAVING AS ESSENTIAL INGREDIENTS A HYDRAULIC CEMENT, A FILLER IN THE FORM OF FRAGMENTS OR COARSE PARTICLES, WATER AND AN ORGANIC POLYISOCYANATE, ALLOWING THE COMPOSITION TO HARDEN AND THEN GRINDING OR OTHERWISETREATING THE SURFACE OF THE COMPOSITION TO EXPOSE THE FRAGMENTS OR PARTICLES OF FILLER. THE FILLER MAY BE, FOR EXAMPLE, FRAGMENTS OF PLASTIC MATERIAL, GLASS OR STONE, OR STONE AGREATE. THE COMPOSITIONS SET RAPIDLY AND THE FINAL SURFACE IS VERY DURABLE.
Inventors
- 👤 Shearing H Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:14
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B24/00; C04B24/24; C04B24/28; C04B24/282; C04B41/00; C04B41/53; C04B41/5323; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/36; C08G18/40; C08G18/54; C08G18/542; C08G18/64
Claims Analysis
Total Claims: 0
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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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |