Patent
   D347447
Priority
Aug 04 1989
Filed
Feb 05 1990
Issued
May 31 1994
Expiry
May 31 2008
Assg.orig
Entity
unknown
6
5
n/a
The ornamental design for a collapsible portable document file, as shown and described.

FIG. 1 is a front, elevational view of a collapsible portable document file showing my new design;

FIG. 2 is a front, elevational view of FIG. 1 with four of the document holders removed for convenience of illustration;

FIG. 3 is a side, elevational view of FIG. 2, the opposite side being a mirror image;

FIG. 4 is a rear, elevational view of FIG. 2; and,

FIG. 5 is a top, plan view thereof.

Isserstedt, Robert K.

Patent Priority Assignee Title
5487617, Feb 22 1994 COLE, JOSEPHINE A Hanging file system and apparatus
6296128, Feb 13 1997 Storage device
D500801, May 14 2003 Monthly card organizer
D578812, Apr 13 2007 Tagalong Enterprises Portable storage system component
ER1538,
ER2307,
Patent Priority Assignee Title
3374041,
3904003,
4020930, Aug 01 1974 Trimco Mfg. & Engineering Inc. Double action brief case
D260578, Dec 18 1978 WILCOX STATIONERY PTY LTD Portable expanding file case
D264524, May 22 1980 Carrying case for tape cassettes
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