Patent
   D268173
Priority
Oct 06 1980
Filed
Oct 06 1980
Issued
Mar 08 1983
Expiry
Mar 08 1997
Assg.orig
Entity
unknown
5
5
n/a
The ornamental design for a calibrator for two wire transmitters, substantially as shown.

FIG. 1 is a top and left front perspective view of a calibrator for two wire transmitters showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof.

Guetschow, Robert A., Durdin, Daniel J.

Patent Priority Assignee Title
D283803, Jan 16 1984 Counterfeit currency examining device
D289925, Sep 21 1984 North American Philips Corporation Blood pressure meter
D292594, May 24 1985 Dentsply Research & Development Corp Miniaturized dental X-ray film duplicator
D305796, Feb 27 1987 Koninklijke Philips Electronics N V Ambulatory ECG cabinet
D352909, Jul 23 1993 Pocket anemometer
Patent Priority Assignee Title
2875403,
3622877,
3701016,
D249475, Apr 28 1976 American Medical Electronics Corporation Electronic thermometer housing
D256896, Aug 18 1977 Kyoritsu Electrical Instrument Works, Ltd. Volt-ohm-ammeter or the like
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 29 1980GUETSCHOW ROBERT A Rosemount IncASSIGNMENT OF ASSIGNORS INTEREST 0038210262 pdf
Sep 29 1980DURDIN DANIEL J Rosemount IncASSIGNMENT OF ASSIGNORS INTEREST 0038210262 pdf
Oct 06 1980Rosemount Inc.(assignment on the face of the patent)
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