US3801347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covering
Assignee: Glasurit Werke M Winkelmann GmbH
•
Filing: 1971-12-16
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Granted: 1974-04-02
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Expires: 1991-12-16
Abstract
Abstract A method of preparing a seamless carpetlike floor covering comprising applying a layer of a solvent-free liquid two component plastic system of resin and hardener to an inside floor or wall of a building, electrostatically spraying fiber flocking material onto the plastic system before it hardens, and hardening the plastic system with the flock material imbedded therein.
Inventors
- 👤 P Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:40
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/16; B; B44; B44F; B44F11/00; C; C08; C08L; C08L67/00; C08L67/06
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) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |