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Class Information
Number: 40/373
Name: Card, picture, or sign exhibiting > Register, or file (e.g., telephone directory file) > Interchangeable file item
Description: Device consisting of a structure provided with recesses within which a charactered plate may be shifted or replaced at will.

Sub-classes under this class:

Class Number Class Name Patents
40/374 Sliding item 18

Patents under this class:

Patent Number Title Of Patent Date Issued
6547283 Mounting system for a portfolio Apr. 15, 2003
6224174 Poster display apparatus May. 1, 2001
5987795 Paper slip holding file card Nov. 23, 1999
5479734 Device for individualizing vertically stored documents, for the purposes of locating and identifying them Jan. 2, 1996
4571867 Information organizing device Feb. 25, 1986
4425727 Information board Jan. 17, 1984
4400899 Album Aug. 30, 1983
4386475 Scheduling board overrider system Jun. 7, 1983
4344242 Machine for manufacture of panel file Aug. 17, 1982
4328631 Card-rack assembly May. 11, 1982
4263735 Microfiche storage device Apr. 28, 1981
4244129 Adjustable card rack Jan. 13, 1981
4242819 Microfiche carrier assembly Jan. 6, 1981
4232463 Panel file Nov. 11, 1980
4226039 Multi-pocketed holder for film and card storage Oct. 7, 1980
4073612 Disposable cigarette gas lighter Feb. 14, 1978
4056894 Method of producing a card file Nov. 8, 1977
RE29127 Visible index systems Feb. 1, 1977
4003150 Scheduling board Jan. 18, 1977

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