Patent
   D248457
Priority
Aug 04 1975
Filed
Aug 04 1975
Issued
Jul 11 1978
Expiry
Jul 11 1992
Assg.orig
Entity
unknown
6
4
n/a
The ornamental design for a combustion gas analyzer for measuring temperature, smoke density and CO2 of flue gas of an oil or gas burner, as shown and described.

FIG. 1 is a perspective view of a combustion gas analyzer for measuring temperature, smoke density and CO2 of flue gas of an oil or gas burner showing my new design

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view from one side;

FIG. 4 is a top plan view;

FIG. 5 is a side elevational view from the other side;

FIG. 6 is a bottom view and

FIG. 7 is a rear elevational view thereof.

Cullinane, Jr., Daniel

Patent Priority Assignee Title
D256785, Oct 12 1976 Gas analyzer
D257013, Jul 28 1978 QPD, INC Engine exhaust emission analyzer
D257131, Jan 08 1979 Corrosion test meter
D257331, Jul 28 1978 QPD, INC Engine exhaust emission analyzer
D264691, Apr 30 1980 Halcyon, Inc. Telecommunications test instrument
D266153, Aug 23 1979 Ultrasonic flowmeter
Patent Priority Assignee Title
3878964,
107122,
180280,
195260,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 04 1975Lynn Products Co., Inc.(assignment on the face of the patent)
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