Patent
   D391876
Priority
Mar 20 1996
Filed
Mar 20 1996
Issued
Mar 10 1998
Expiry
Mar 10 2012
Assg.orig
Entity
unknown
0
4
n/a
The ornamental design for a transmission impairment measuring instrument, as shown and described.

FIG. 1 is a front view of an instrument of the present invention;

FIG. 2 is a front view of an instrument similar to the instrument shown in FIG. 1;

FIG. 3 is a top plan of the instruments shown in FIGS. 1 and 2;

FIG. 4 is a rear elevation of the instruments shown in FIGS. 1-3;

FIG. 5 is a left side elevation of the instruments shown in FIGS. 1-4;

FIG. 6 is a right side elevation of the instruments shown in FIGS. 1-5; and,

FIG. 7 is a bottom view of the instruments shown in FIGS. 1-6.

Turner, James F.

Patent Priority Assignee Title
Patent Priority Assignee Title
D343799, Oct 11 1991 Keithley Instruments, Inc. Electronic measuring/monitoring instrument
D343800, Oct 11 1991 Keithley Instruments, Inc. Electronic measuring/monitoring instrument
D362845, Sep 22 1993 TEAC Corporation Streaming cassette tape drive for measuring apparatus
D377319, Jun 14 1995 Advantest Corporation Network analyzer
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Mar 19 1996TURNER, JAMES F Convex CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0078900440 pdf
Mar 20 1996Convex Corportion(assignment on the face of the patent)
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