US3385751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tufted pile carpet and manufacture thereof
Assignee: Specialty Converters Inc
•
Filing: 1963-09-18
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Granted: 1968-05-28
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Expires: 1983-09-18
Abstract
No abstract record available.
Inventors
- 👤 Holland L Willard
- 👤 Willy John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:40
CPC Classifications
D; D05; D05C; D05C17/00; D05C17/02; D05C17/023; D06; D06N; D06N7/00; D06N7/0005; D06N7/006; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23957; Y10T428/23964; Y10T428/23971; Y10T428/23979; Y10T428/23993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A PILE CARPET WHICH COMPRISES A BASE SHEET FORMED OF A SHEET OF PLASTIC FOAM WITH A REINFORCING LAYER DISPOSED FULLY WITHIN THE SHEET AND SUBSTANTIALLY PARALLEL TO THE BROAD UPPER AND LOWER SURFACES THEREOF, AND CHARACTERIZED BY INTERSTICES FORMED BETWEEN STRANDS OF THE REINFORCING LAYER, AND ROWS OF PILE ELEMENTS EXTENDING THROUGH AND OUT OF THE BASE SHEET TO FORM PILE ALONG THE UPPER SURFACES OF THE BASE SHEET WITH THE PILE ELEMENTS IN ONE ROW BEING INTERCONNECTED AT THE LOWER SURFACE OF THE BASE SHEET AND THE FOAM SHEET BEING COMPRESSED TO A REDUCED THICKNESS AGAINST AND AROUND THE REINFORCING STRANDS AND BETWEEN THE INTERSTICES FROM BOTH BROAD FACES THEREOF AND AROUND A PORTION OF THE PILE ELEMENTS TO HOLD THE PILE ELEMENTS IN AN EXTENDED POSITION OUT OF THE BASE MATERIAL BY MEANS OF COMPRESSIVE AND FRICTIONAL FORCES OF THE FOAM IN ITS COMPRESSED STATE.
Claim 2
Dependent Claim
148 words
A PILE CARPET WHICH COMPRISES A BASE SHEET FORMED OF A SHEET OF PLASTIC FOAM WITH A REINFORCING LAYER DISPOSED FULLY WITHIN THE SHEET AND SUBSTANTIALLY PARALLEL TO THE BROAD UPPER AND LOWER SURFACES THEREOF, AND CHARACTERIZED BY INTERSTICES FORMED BETWEEN STRANDS OF THE REINFORCING LAYER, AND ROWS OF PILE ELEMENTS EXTENDING THROUGH AND OUT OF THE BASE SHEET TO FORM PILE ALONG THE UPPER SURFACES OF THE BASE SHEET WITH THE PILE ELEMENTS IN ONE ROW BEING INTERCONNECTED AT THE LOWER SURFACE OF THE BASE SHEET AND THE FOAM SHEET BEING COMPRESSED TO A REDUCED THICKNESS AGAINST AND AROUND THE REINFORCING STRANDS AND BETWEEN THE INTERSTICES FROM BOTH BROAD FACES THEREOF AND AROUND A PORTION OF THE PILE ELEMENTS TO HOLD THE PILE ELEMENTS IN AN EXTENDED POSITION OUT OF THE BASE MATERIAL BY MEANS OF COMPRESSIVE AND FRICTIONAL FORCES OF THE FOAM IN ITS COMPRESSED STATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |