Patent
   D311345
Priority
Nov 13 1987
Filed
Nov 13 1987
Issued
Oct 16 1990
Expiry
Oct 16 2004
Assg.orig
Entity
unknown
4
19
n/a
The ornamental design for a digital circuit board tester, as shown and described.

FIG. 1 is a top plan view of a digital circuit board tester showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a bottom plan view; and

FIG. 7 is a top, front, and left side perspective view thereof.

Brown, Jeffrey C.

Patent Priority Assignee Title
D365997, Mar 03 1995 Tektronix, Inc.; Tektronix, Inc Hand-held measurement instrument with grip
D366432, Mar 03 1995 Tektronix, Inc.; Tektronix, Inc Electronic measurement instrument
D367234, May 14 1993 THERMO ENVIRONMENTAL INSTRUMENTS, INC Portable toxic vapor analyzer
D369563, Dec 21 1993 Tektronix, Inc.; Tektronix, Inc Electronic meter
Patent Priority Assignee Title
3757216,
3757218,
4510572, Dec 28 1981 Data I/O Corporation Signature analysis system for testing digital circuits
237596,
239934,
239935,
D277484, Apr 14 1982 Amstrad Public Limited Company Computer
D278984, Jul 16 1982 Portable circuit tester
D280409, Oct 14 1982 Sharp Corporation Personal computer
D281233, Jul 20 1981 Robert Bosch GmbH Circuit board testing equipment
D281234, Jul 20 1981 Robert Bosch GmbH Circuit board testing equipment
D281401, Jun 20 1983 The Superior Electric Company Detector module for a line monitor or the like
D284771, Apr 25 1984 Silver Seiko Limited Menu printer
D290373, Jul 18 1984 Sharp Corporation Electronic calculator
D291195, Apr 27 1984 Portable speech synthesizer for speech impaired individuals
D296086, Mar 29 1985 MARS, INCORPORATED, A CORP OF DELAWARE Electronic circuit board tester
D302973, Oct 03 1985 Kabushiki Kaisha Toshiba Data entry and display computer for a bus fare adjustment system
D303521, Jun 26 1986 International Business Machines Corporation Data entry & display
D303540, Jul 10 1986 Electronic calculator
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 13 1987John Fluke Mfg. Co., Inc.(assignment on the face of the patent)
Dec 10 1987BROWN, JEFFREY C JOHN FLUKE MFG , CO , INC , A WA CORP ASSIGNMENT OF ASSIGNORS INTEREST 0048970636 pdf
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