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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 281/20
Name: Books, strips, and leaves > Book, element thereof, or accessory therefor > Protectors
Description: Means applied in book backs, sides, and leaves for protecting the books against hard usage.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8505977 Book having sleeve protected pages and binding method thereof Aug. 13, 2013
8141907 Document protector Mar. 27, 2012
7931303 Covering sheet for a printed product and method for packaging newspapers or magazines by means of said covering sheet Apr. 26, 2011
7793986 Structure for book cover Sep. 14, 2010
7478964 File, in particular archive or travel file Jan. 20, 2009
7232157 Blank modular book to be enclosed in an artistic case to be filled out in writing by the members of successive generations of the same family during a long time Jun. 19, 2007
7077596 Notebook with two-way pocket Jul. 18, 2006
6983932 Method of manufacturing a booklet with protective covers Jan. 10, 2006
6601874 Bookbinding repair kit Aug. 5, 2003
6537407 Process for the manufacture of an improved laminated material Mar. 25, 2003
6482283 Method for making corner protectors Nov. 19, 2002
6467808 Booksaver Oct. 22, 2002
6357797 Book cover Mar. 19, 2002
6241414 Binders with flexible pockets Jun. 5, 2001
6234701 Molded plastic binder May. 22, 2001
6224106 Book with nested sculpted forms May. 1, 2001
6129386 Apparatus and method for collecting data Oct. 10, 2000
6109657 Book packing system Aug. 29, 2000
6082770 Fastening device for schedule folder covers Jul. 4, 2000
6062387 Loose-leaf card holder adapted for holding cards therein May. 16, 2000
5947521 Binder spacer Sep. 7, 1999
5897141 File stiffener Apr. 27, 1999
5634666 Binder with cover spacer Jun. 3, 1997
5632566 Apparatus to retain and reinforce notebook contents May. 27, 1997
5626366 Book cover corner guard May. 6, 1997
5590909 File cover restraining device Jan. 7, 1997
5540462 Cover device for subsequent mounting on softbound books Jul. 30, 1996
5533758 Book cover corner guard Jul. 9, 1996
5515972 Video indexing system May. 14, 1996
5429238 Comic book protection apparatus Jul. 4, 1995
5398971 File cover restraining system Mar. 21, 1995
5388861 Transparent overlay device for making notes on printed material Feb. 14, 1995
5217256 Paper stack protection device Jun. 8, 1993
5180191 Band Folder with integral handles Jan. 19, 1993
5108130 Book brace Apr. 28, 1992
5056825 Referencing device Oct. 15, 1991
5009361 Protective cover for a file folder Apr. 23, 1991
4962949 Book blanket Oct. 16, 1990
4793633 Device for supporting bound material Dec. 27, 1988
4789058 Aesthetic displaying device for video cassette tapes and the like Dec. 6, 1988
4687226 Device for supporting bound material Aug. 18, 1987
4682792 Binder for articles such as books and cassettes Jul. 28, 1987
4674632 Slip case package for book and computer software disk Jun. 23, 1987
4666039 Case for document binder May. 19, 1987
4660857 Protector for publication and method for guarding a selected portion thereof Apr. 28, 1987
4524991 Snap on device for hardcover ring binder Jun. 25, 1985
4503974 Album with removable pages and enclosure Mar. 12, 1985
4377430 Process of making book covers Mar. 22, 1983
4152013 Rainshed binder May. 1, 1979
4083582 Book protector Apr. 11, 1978

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