Sheet item with non-circular holes
AssigneeACCO Brands Corporation
InventorsEdward P. Busam, Bobby G. James, Jr.
Life of this patent
Estimating the term…
Abstract
A sheet system including a sheet having an edge and at least one generally triangular hole positioned adjacent to but spaced apart from the edge. A side of the triangle is oriented generally parallel with the edge of the sheet.
Claims22
A sheet system comprising a sheet having an edge and at least one generally triangular, closed-sided hole positioned adjacent to but spaced apart from the edge, wherein said hole is generally shaped either as an isosceles triangle having a base and two legs of a differing length than said base or as an equilateral triangle having a base and two legs of a length equal to that of said base, wherein said base of said triangle is oriented generally parallel with said edge of said sheet, wherein said legs are interconnected by a rounded vertex corner positioned closer to said edge of said sheet than and opposite of said base of said triangle, and wherein said base and respective ones of said legs are interconnected by rounded base corners with said rounded vertex corner being positioned closer to said edge of said sheet than said rounded base corners.
2-7. (canceled)
19-20. (canceled)
A sheet system comprising:
- a sheet having an edge;
- and
- at least one closed-sided hole generally shaped as a reverse “D” and extending through said sheet, said hole being positioned adjacent to but spaced apart from the edge, wherein the hole has a longest dimension across the hole, wherein said hole is oriented such that its longest dimension is oriented generally parallel to said edge of said sheet, and wherein the ends of its longest dimension are interconnected by an arcuate curve positioned closer to said edge of said sheet than and opposite of its longest dimension.
23-24 (canceled)
Dependencies are inferred from the claim text.