US3566492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pattern shearing apparatus
Assignee: Riggs and Lombard Inc
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Filing: 1968-06-20
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Granted: 1971-03-02
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Expires: 1988-06-20
Abstract
Abstract PILE TYPE FABRICS, SUCH AS CORDUROYS AND THE LIKE, ARE PROVIDED WITH EMBOSSED PATTERNS FORMED IN THE PILE SURFACE. THE MATERIAL IS FED THROUGH A SHEARING MACHINE WHICH IS PROVIDED WITH AN EMBOSSED ROLLER IN PLACE OF THE CONVENTIONAL CLOTH REST. THE MATERIAL IS HELD TIGHTLY AGAINST THE EMBOSSED ROLLER SURFACE SO THAT SOME PORTIONS OF THE CLOTH PILE ARE SHORN TO HEIGHTS DIFFERENT FROM OTHER POR- TIONS TO PRODUCE A PATTERN OVER THE FABRIC SURFACE CORRESPONDING TO THE DESIGN ON THE ROLLER. THE ROLLER COMPRISES A CORE OVER WHICH IS MOUNTED A REPLACEABLE PLASTIC SLEEVE ON THE OUTER SURFACE OF WHICH IS EMBOSSED THE DESIGN.
Inventors
- 👤 Wilfred N Hadley
- 👤 William J Holm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:44
CPC Classifications
D; D06; D06C; D06C23/00; D06C2700/00; D06C2700/31
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) | 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 |