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Class Information
Number: 248/446
Name: Supports > Easel; book, copy or music score holder > With book leveling means
Description: Device for supporting a book in open position and including means for maintaining the two halves of the open face of the book in substantially the same horizontal plane, regardless of the relative thickness of the two halves of the book.

Patents under this class:

Patent Number Title Of Patent Date Issued
8668257 Foldable bracket of a chair Mar. 11, 2014
8424831 One-piece support stand Apr. 23, 2013
8416513 Book holding apparatus with a magnifying visible area Apr. 9, 2013
8308121 Portable multiple form organizer Nov. 13, 2012
8136785 Device to read in bed or when reclining Mar. 20, 2012
7568674 Device to read in bed or when reclining Aug. 4, 2009
6499766 Media folder improvements Dec. 31, 2002
6471174 Graphic arts station Oct. 29, 2002
6170877 Page holder Jan. 9, 2001
6089609 Check clip Jul. 18, 2000
5129616 Book support for supine or seated readers Jul. 14, 1992
4998703 Portable illuminated bookholder and lectern Mar. 12, 1991
4976408 Device for microfilming bound volumes using a tiltable book cradle Dec. 11, 1990
4925144 Portable bookholder May. 15, 1990
4896252 Bookholder Jan. 23, 1990
4771977 Book support Sep. 20, 1988
4596372 Stand for supporting matter to be read Jun. 24, 1986
4300052 Apparatus for exposing a series of plates to radiation Nov. 10, 1981

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