Sewn stack of absorbent sheets
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 12, 2022
Grant Date -
Mar 5, 2020
app pub date -
Nov 8, 2019
filing date -
Nov 8, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention provides a stack comprising a plurality of absorbent sheets stacked in facing arrangement. The stack is bound along its top edge by at least one line of stitches comprising a plurality of spaced apart stitch holes and a thread disposed therein. Individual sheets further comprise a line of perforations comprising a plurality of spaced apart perforation holes. The line of stitches and the line of perforations are such that there is generally a one-to-one numerical correspondence amongst at least a majority of the plurality of stitch holes and perforation holes.
First Claim
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International Classification(s)
- A47K:SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- B42D:BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER O....
- B42B:PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES, OR ....
- B65D:CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR....
- B65B:MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF,....
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