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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 229/67.3
Name: Envelopes, wrappers, and paperboard boxes > File folder or file envelope > Expandable
Description: File folder or file envelope including means to allow adjustment of its size.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
6209778 Slash jacket with a retractable attachment member Apr. 3, 2001
6193147 Folder for letter-size documents Feb. 27, 2001
6182827 Compartmented file Feb. 6, 2001
6047879 Expanding envelope with a utility pocket Apr. 11, 2000
6045034 Photo folder with cassette holder Apr. 4, 2000
5921463 Expandable photo print wallet with detachable divider Jul. 13, 1999
5806754 Negative and photo holder Sep. 15, 1998
5799862 Expansible envelope Sep. 1, 1998
5720427 Reinforced expandable folders Feb. 24, 1998
5682992 Accordion pleated media storage unit having separable pockets Nov. 4, 1997
5678754 Envelope with dual pockets Oct. 21, 1997
5630509 Accordion-like file May. 20, 1997
5593086 Document holder with an extensible-retractable bag Jan. 14, 1997
5558221 Diskette holder Sep. 24, 1996
5320275 Multiple use business portfolio Jun. 14, 1994
5170889 Coupon caddy for wall and pocket use Dec. 15, 1992
5161731 Reinforced expandable folder Nov. 10, 1992
5025979 Hanging expandable file Jun. 25, 1991
4988038 Document file Jan. 29, 1991
4974652 Pleated credit card holder Dec. 4, 1990
4958728 Filing system Sep. 25, 1990
D309050 Disposable animal litter container Jul. 3, 1990
4790474 Document file Dec. 13, 1988
4669651 Multi-pocket envelope having displaced pockets of uniform size Jun. 2, 1987
4549688 Expandable file folder Oct. 29, 1985
4531667 Expandable envelope file Jul. 30, 1985
4294400 Non-gusseted expansible envelope Oct. 13, 1981
4284227 Expansion folder with accordian-pleat backbone Aug. 18, 1981
4274577 Expansion filing container Jun. 23, 1981
4262838 File folder assembly having removable cover Apr. 21, 1981
4109850 File folder with expandable pocket Aug. 29, 1978
4008650 Method and apparatus for forming expansible envelope Feb. 22, 1977
3933294 File folder with a rigid spine Jan. 20, 1976

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