Patent
   D255666
Priority
May 05 1978
Filed
May 05 1978
Issued
Jul 01 1980
Expiry
Jul 01 1994
Assg.orig
Entity
unknown
2
7
n/a
The ornamental design for an air velocity gauge, substantially as shown and described.

FIG. 1 is a front elevational view of an air velocity gauge showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right front perspective view thereof;

FIG. 5 is a left rear perspective view thereof; and

FIG. 6 is a right side elevational view thereof.

Buchanan, Steven O., Butts, Robert W.

Patent Priority Assignee Title
D260740, Jul 30 1979 Hand held directional anemometer or similar apparatus
D308491, Sep 30 1986 Windspeed indicator
Patent Priority Assignee Title
2075424,
2889707,
3796097,
3955415, Mar 08 1974 Yeda Research & Development Co. Ltd. Flowmeter
4154101, Feb 16 1978 Dwyer Instruments, Inc. Air velocity gauge
DE2257114,
GB277914,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 05 1978Dwyer Instruments, Inc.(assignment on the face of the patent)
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