Patent US3600910A successfully refreshed from Google Patents.
US3600910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluffy textile web
Assignee: HALBMOND LEPPICHE VEB
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Filing: 1969-12-16
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Granted: 1971-08-24
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Expires: 1989-12-16
Abstract
Abstract A base sheet, sandwiched between two piles of filaments, is anchored to one pile by drawing loops of filaments from that pile through the sheet and knotting or interlinking them directly at the sheet surface, loops of filaments from the other pile being drawn through the sheet and the first pile for knotting or interlinking along the surface of the latter pile.
Inventors
- 👤 Egon Jahn
- 👤 Rolf Handel
- 👤 Siegfried Ploch
- 👤 Karl-Heinz Dietrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:49
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/04; D04H1/08; B; B32; B32B; B32B3/00; B32B3/02; B32B3/08; B32B5/00; B32B5/02; B32B5/06; B32B5/22; B32B5/24; B32B5/26; B32B2250/00; B32B2250/20; B32B2262/00; B32B2262/10; B32B2262/103; B32B2307/00; B32B2307/20; B32B2307/202; B32B2307/21; B32B2307/50; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
84 words
A fluffy textile web comprising a base sheet; a first pile of filaments covering one side of said sheet and having some filaments thereof drawn in loop form through said sheet and anchored at the other side in direct contact with said sheet; and a second pile of filaments covering said other side of said sheet and having some filaments thereof drawn in loop form through said sheet and said first pile, the last-mentioned filaments being anchored along the surface of said first pile.
Claim 2
Dependent Claim
84 words
A fluffy textile web comprising a base sheet; a first pile of filaments covering one side of said sheet and having some filaments thereof drawn in loop form through said sheet and anchored at the other side in direct contact with said sheet; and a second pile of filaments covering said other side of said sheet and having some filaments thereof drawn in loop form through said sheet and said first pile, the last-mentioned filaments being anchored along the surface of said first pile.
Claim 3
Dependent Claim
54 words
A web as defined in claim 1 wherein the filaments of said first pile drawn through said sheet are arrayed in a first set of parallel rows, the filaments of said second pile drawn through said sheet being arrayed in a second set of parallel rows offset from the rows of said first set.
Claim 4
Dependent Claim
20 words
A web as defined in claim 2 wherein said sheet is generally rectangular, said rows extending lengthwise of the sheet.
Claim 5
Dependent Claim
18 words
A web as defined in claim 2 wherein the filaments of each row are interlinked by chain stitching.
Claim 6
Dependent Claim
20 words
A web as defined in claim 1 wherein the filaments of at least one of said piles include metallic fibers.
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) | 1974-08-23 | 1975-02-22 | 1975-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-23 | 1979-02-22 | 1979-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-23 | 1983-02-22 | 1983-08-24 | $7700.00 | Window Closed / Lapsed |