Patent
   D800298
Priority
Apr 16 2014
Filed
Oct 15 2014
Issued
Oct 17 2017
Expiry
Oct 17 2031
Assg.orig
Entity
unknown
0
6
n/a
The ornamental design for an air block for respirator, as shown and described.

FIG. 1 is a rear perspective view of an air block for respirator according to the present invention;

FIG. 2 is a right side view of the air block of FIG. 1;

FIG. 3 is a front view of the air block of FIG. 1;

FIG. 4 is a left side view of the air block of FIG. 1;

FIG. 5 is a bottom view of the air block of FIG. 1; and,

FIG. 6 is a top view of the air block of FIG. 1.

Gehrung, Ralf, Brose, Jens

Patent Priority Assignee Title
Patent Priority Assignee Title
3911914,
4674136, May 12 1986 Safety mask construction
5533500, Mar 04 1992 Helmet with an air filtering device
8056152, Apr 03 2008 3M Innovative Properties Company Pivot assembly for headgear
8534279, Apr 04 2008 3M Innovative Properties Company Respirator system including convertible head covering member
D545426, Mar 27 2003 Helmet Integrated Systems Limited Helmet respirator
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 15 2014SATA GmbH & Co. KG(assignment on the face of the patent)
Nov 10 2014BROSE, JENSSATA GMBH & CO KGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0341550082 pdf
Nov 10 2014GEHRUNG, RALFSATA GMBH & CO KGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0341550082 pdf
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