Patent
   D710304
Priority
Feb 15 2012
Filed
Feb 15 2012
Issued
Aug 05 2014
Expiry
Aug 05 2028
Assg.orig
Entity
unknown
1
19
n/a
The ornamental design for a battery pack for powered air purifying respirator (PAPR), as shown and described.

FIG. 1 is a front perspective view showing the new design for a battery pack for powered air purifying respirator (PAPR) 3;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof; 3

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left view thereof; and,

FIG. 7 is a right view thereof.

The broken lines in the drawing depict environmental subject matter only and form no part of the claimed design.

Abel, Nathan A., Blomberg, David M.

Patent Priority Assignee Title
D741263, May 24 2012 Sony Corporation Rechargeable battery
Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 14 2012BLOMBERG, DAVID M 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0277080168 pdf
Feb 14 2012ABEL, NATHAN A 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0277080168 pdf
Feb 15 20123M Innovative Properties Company(assignment on the face of the patent)
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