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US 4,586,730 AGranted
Clipboard
AssigneeShel Industries, Inc.
InventorLev Shulyak
Life of this patent
Estimating the term…
Abstract
A clipboard comprising a generally rectangular flat board for supporting a sheet of writing material, a clamp at the upper end of the board for holding the sheet of writing material and a flange extending outwardly from one edge of the board and having an aperture adapted to receive a users thumb for the purpose of holding the clipboard. The invention also consists of a clipboard having clamping means which consist of a roller mounted for rotation on support means at the top of the board for clamping a sheet of writing material to the board and for advancing the sheet along the upper surface of the board.
Claims8
Clipboard comprising:
- (a) a generally rectangular flat board having a top edge, a bottom edge, a first side edge, and a flat upper surface for supporting a sheet of writing material,
- (b) a clamp mounted on the top surface at the upper end of the board for holding the sheet of writing material on said surface,
- (c) an outwardly extending flange having a second side edge which is opposite said first side edge and having an aperture adapted for receiving a user's thumb for holding the clipboard, said second side edge and said aperture being substantially outside of the area of said upper surface which extends between said top and bottom edges and,
- (d) a hold-down bar which is removably attached to said clipboard so that it extends from said aperture to the opposite side edge of said clipboard.
1 more element
Dependencies are inferred from the claim text.