| 
 | The ornamental design for a heavy duty belt sander, as shown and described. | |||||||||||||||||
FIG. 1 is perspective view of the heavy duty belt sander showing my new design.
FIG. 2is a left side view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a front view thereof; and,
FIG. 7 is a rear view thereof.
| Patent | Priority | Assignee | Title | 
| D491782, | Jun 09 2003 | Nitto Kohki Co., Ltd. | Air-driving belt sander | 
| D508189, | Dec 09 2003 | Nitto Kohki Co., Ltd. | Abrading machine | 
| D570662, | Nov 29 2007 | Black & Decker Inc | Sander | 
| D951734, | Jun 30 2020 | Makita Corporation | Electric belt sander body | 
| ER8981, | 
| Patent | Priority | Assignee | Title | 
| D298508, | Mar 12 1982 | Nitto Kohki Co., Ltd. | Filing belt type grinder | 
| D301966, | Sep 19 1985 | Black & Decker Inc. | Power file | 
| D321464, | Feb 27 1989 | Nitto Kohki Co., Ltd. | Portable belt sander | 
| D321465, | Aug 31 1988 | Nitto Kohki Co., Ltd. | Portable belt sander | 
| D338382, | Nov 01 1991 | NITTO KOHKO CO , LTD , A CORP OF JAPAN; JAPAN STORAGE BATTERY CO , LTD , A CORP OF JAPAN | Portable electric belt sander | 
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Nov 29 1993 | IZUMISAWA, NOBUYUKI | SHINANO, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 006819/ | 0138 | |
| Dec 27 1993 | Shinano, Inc. | (assignment on the face of the patent) | / | 
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