Patent
   D835369
Priority
Apr 30 2015
Filed
Oct 27 2015
Issued
Dec 04 2018
Expiry
Dec 04 2033
Assg.orig
Entity
unknown
9
25
n/a
The ornamental design for a pneumatic dust extraction unit, as shown and described.

FIG. 1 is a perspective view of a pneumatic dust extraction unit embodying the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The left side view is a mirror image of the right side view and is therefore not shown. The broken lines showing portions of the pneumatic dust extraction unit form no part of the claimed design.

Bhattacharya, Dhritisunder, Thakur, Raju B., Machama, Naveen

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 27 20153M Innovative Properties Company(assignment on the face of the patent)
Nov 18 2015THAKUR, RAJU B 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0370820866 pdf
Nov 18 2015BHATTACHARYA, DHRITISUNDER3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0370820866 pdf
Nov 19 2015MACHAMA, NAVEEN3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0370820866 pdf
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