Patent
   D270278
Priority
Jun 01 1981
Filed
Jun 01 1981
Issued
Aug 23 1983
Expiry
Aug 23 1997
Assg.orig
Entity
unknown
2
5
n/a
The ornamental design for an electrocardiograph, as shown and described.

FIG. 1 is a perspective view showing the front, top and right side of an electrocardiograph incorporating my new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is a reduced front elevational view thereof;

FIG. 4 is a reduced rear elevational view thereof;

FIG. 5 is a reduced right side elevational view thereof;

FIG. 6 is a reduced left side elevational view thereof; and

FIG. 7 is a reduced bottom plan view thereof.

Wiebe, Walter W.

Patent Priority Assignee Title
D285484, May 03 1985 ADVANCED TECHNOLOGY LABORATORIES, INC , A CORP OF WA Medical ultrasound scanner
D286325, Nov 25 1983 ADVANCED TECHNOLOGY LABORATORIES, INC , A CORP OF WA Medical ultrasound scanner
Patent Priority Assignee Title
3221731,
216535,
230211,
D260173, Oct 13 1978 International Business Machines Corporation Electrocardiograph
D262401, Jul 13 1979 American Optical Corporation ECG Tape playback/recorder/monitor/analyzer system
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
May 21 1981WIEBE, WALTER W International Business Machines Corporation,ASSIGNMENT OF ASSIGNORS INTEREST 0039150607 pdf
Jun 01 1981International Business Machines Corporation(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule