Patent
   D324542
Priority
Dec 20 1989
Filed
Dec 20 1989
Issued
Mar 10 1992
Expiry
Mar 10 2006
Assg.orig
Entity
unknown
11
10
n/a
The ornamental design for a plural-nibbed writing instrument, as shown and described.

FIG. 1 is a perspective view of a plural-nibbed writing instrument showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is an end elevational view;

FIG. 5 is an end elevational view of the end not shown in FIG. 4;

FIG. 6 is a side elevational view; and

FIG. 7 is a side elevational view of the side not shown in FIG. 6.

Lin, Chang-Fong

Patent Priority Assignee Title
7350996, Mar 28 2005 SANFORD, L P Retractable writing utensil
7488130, Feb 01 2007 SANFORD, L P Seal assembly for retractable instrument
7775734, Feb 01 2007 Sanford L.P. Seal assembly for retractable instrument
7850382, Jan 18 2007 SANFORD, L P Valve made from two materials and writing utensil with retractable tip incorporating same
8221012, Nov 07 2008 SANFORD, L P Retractable instruments comprising a one-piece valve door actuating assembly
8226312, Mar 28 2008 SANFORD, L P Valve door having a force directing component and retractable instruments comprising same
8393814, Jan 30 2009 SANFORD, L P Retractable instrument having a two stage protraction/retraction sequence
8568047, Jan 30 2009 Sanford, L.P. Retractable instrument having a two stage protraction/retraction sequence
D330910, Jan 16 1991 Edwin E., Warburton Combined twin-nibbed marker and level
D530746, Mar 01 2005 SANFORD, L P Marker
D765179, Jul 30 2014 Schwan-Stabilo Schwanhaeusser GmbH & Co. KG Pen
Patent Priority Assignee Title
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