US3348993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrics
Assignee: British Nylon Spinners Ltd
•
Filing: 1964-11-27
•
Granted: 1967-10-24
•
Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Sissons Christopher Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:33
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/498; D04H1/54; D04H1/541; D04H1/5414; D04H1/5418; D04H11/00; D04H11/08; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A NON-WOVEN FABRIC HAVING AN INTEGRAL STRUCTURE AND SIMULATING A CONVENTIONAL PILE FABRIC, WHICH FABRIC COMPRISES A STRATUM OF FIBRE TUFTS AND A BASE STRATUM IN A FORM OF FIBROUS WEB, SAID FIBROUS WEB BASE STRATUM CONTAINING FIBRES LOCATED IN PLANES AT LEAST SUBSTANTIALLY NORMAL TO THE PLANAR SURFACES OF THE STRATUM, WHICH FIBRES PROJECT BEYOND A PLANAR SURFACE OF THE BASE STRATUM AS FIBRE TUFTS THEREBY PROVIDING THE FABRIC WITH A PILE SURFACE AND SAID FIBROUS WEB COMPRISING AT LEAST A PROPORTION OF COMPOSITE FIBRES COMPRISING AT LEAST TWO FIBREFORMING SYNTHETIC POLYMERIC COMPONENTS ARRANGED IN DISTINCT ZONES ACROSS THE CROSS-SECTION OF EACH FIBRE AND AT LEAST ONE AND LESS THAN ALL OF THE COMPONENTS BEING POTENTIALLY ADHESIVE AND LOCATED SO AS TOFORM AT LEAST A PORTION OF THE PERIPHERAL SURFACE OF EACH FIBRE, SAID COMPOSITE FIBRES BEING ADHESIVELY BONDED TO CONTIGUOUS FIBRES IN THE STRUCTURE THROUGH THE AGENCY OF SAID POTENTIALLY ADHESIVE COMPONENT THEREBY SECURING TUFTS IN THE STRUCTURE.
Claim 2
Dependent Claim
160 words
A NON-WOVEN FABRIC HAVING AN INTEGRAL STRUCTURE AND SIMULATING A CONVENTIONAL PILE FABRIC, WHICH FABRIC COMPRISES A STRATUM OF FIBRE TUFTS AND A BASE STRATUM IN A FORM OF FIBROUS WEB, SAID FIBROUS WEB BASE STRATUM CONTAINING FIBRES LOCATED IN PLANES AT LEAST SUBSTANTIALLY NORMAL TO THE PLANAR SURFACES OF THE STRATUM, WHICH FIBRES PROJECT BEYOND A PLANAR SURFACE OF THE BASE STRATUM AS FIBRE TUFTS THEREBY PROVIDING THE FABRIC WITH A PILE SURFACE AND SAID FIBROUS WEB COMPRISING AT LEAST A PROPORTION OF COMPOSITE FIBRES COMPRISING AT LEAST TWO FIBREFORMING SYNTHETIC POLYMERIC COMPONENTS ARRANGED IN DISTINCT ZONES ACROSS THE CROSS-SECTION OF EACH FIBRE AND AT LEAST ONE AND LESS THAN ALL OF THE COMPONENTS BEING POTENTIALLY ADHESIVE AND LOCATED SO AS TOFORM AT LEAST A PORTION OF THE PERIPHERAL SURFACE OF EACH FIBRE, SAID COMPOSITE FIBRES BEING ADHESIVELY BONDED TO CONTIGUOUS FIBRES IN THE STRUCTURE THROUGH THE AGENCY OF SAID POTENTIALLY ADHESIVE COMPONENT THEREBY SECURING TUFTS IN THE STRUCTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |