Patent US3698973A successfully refreshed from Google Patents.
US3698973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing a solid resin back carpet tile
Assignee: PANDEL Inc A CORP OF
•
Filing: 1970-08-12
•
Granted: 1972-10-17
•
Expires: 1990-08-12
Abstract
Abstract A TUFTED CARPET TILE HAVING A THERMOPLASTIC RESIN BACKING IS PREPARED BY APPLYING A HEAT-SENSITIVE PLASTISOL COMPOSITION TO THE BACK OF A MATERIAL COMPOSED OF TUFTED YARNS IN A THERMOPLASTIC BASE FABRIC, FUSING THE PLASTISOL COMPOSITION TO BIND THE BASE FABRIC AND TUFTED YARNS TOGETHER, AND LAMINATING THE THERMOPLASTIC SHEET TO THE PLASTISOL LAYER USING THE PLASTISOL LAYER AS THE SOURCE OF SENSIBLE HEAT TO MELT A THIN THERMOPLASTIC FOAM LAYER ON THE THERMOPLASTIC BACKING TO BOND THE BACKING TO THE PLASTISOL LAYER. D R A W I N G
Inventors
- 👤 Reuben Wisotzky
- 👤 Richard E Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:58
CPC Classifications
D; D06; D06M; D06M17/00; D06M17/04; D06M17/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T428/00; Y10T428/23907; Y10T428/23986
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) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |