US3567548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of permanently sculptured pile fabrics
Assignee: Individual
•
Filing: 1967-05-12
•
Granted: 1971-03-02
•
Expires: 1987-05-12
Abstract
Abstract DEEP SCULPTURING PILE FIBERS, E.G., ACRYLIC AND POLYESTER, BY DEPOSITING POLAR SOLVENT CONTAINING SOLUTIONS FOR THE FIBER IN THE PILE, E.G., DIMETHYL FORMAMIDE, DIMETHYL SULFOXIDE, HAVING A VISCOSITY OF 500 TO 1000 CPS.
Inventors
- 👤 Phillip Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:29
CPC Classifications
D; D06; D06Q; D06Q1/00; D06Q1/06; D06C; D06C23/00; D06C2700/00; D06C2700/31; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23986; Y10T428/23993
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |