Patent
   D308211
Priority
Jun 21 1988
Filed
Jun 21 1988
Issued
May 29 1990
Expiry
May 29 2004
Assg.orig
Entity
unknown
3
4
n/a
The ornamental design for a hydro jet excavation nozzle, as shown and described.

FIG. 1 is a left-side elevational view of a hydro jet excavation nozzle, showing my new design;

FIG. 2 is a fragmentary right-side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Magnera, George J.

Patent Priority Assignee Title
D408830, Mar 20 1997 Concept Engineering Group, Inc. Pneumatic nozzle
D772304, Sep 24 2015 Sand plunger
D831077, Mar 20 2017 KLX Energy Services LLC Venturi jet basket
Patent Priority Assignee Title
3744579,
4141592, Sep 19 1975 Atlas Copco Aktiebolag Method and device for breaking hard compact material
4718728, Sep 17 1982 Hydraulic couple rotational force hydraulic mining tool apparatus
D264590, Jul 16 1979 Ewbank Mfg. Division, Inc. Articulated blasthole drilling vehicle
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