Respirator grill ribs

Information

  • Patent Grant
  • D721169
  • Patent Number
    D721,169
  • Date Filed
    Thursday, May 31, 2012
    12 years ago
  • Date Issued
    Tuesday, January 13, 2015
    9 years ago
Abstract
Description


FIG. 1 is a front perspective view showing the new design for respirator grill ribs.



FIG. 2 is a left view thereof;



FIG. 3 is a right view thereof;



FIG. 4 is a front view thereof;



FIG. 5 is a back view thereof;



FIG. 6 is a top view thereof; and,



FIG. 7 is a bottom view thereof.


Broken lines form no part of the claimed design, and any shading is provided to illustrate contour only and is not an indication of texture, gloss, etc.


Claims
  • The ornamental design for respirator grill ribs, as shown and described.
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Non-Patent Literature Citations (6)
Entry
3M product literature for 3M™ 3000 Half Mask Series Respirator dated 2009.
3M product literature for 3M™ 3000 Series Single-Cartridge Half-Facepiece Respirator dated 2009.
3M product literature for 3M Respiratory Protection 7700 Series Single-Filter Half-Facepiece Respirator dated 2008.
Koken web literature for Particulate Respirators, http://www.koken-ltd.co.jp/english/particulaterespirators.htm, obtained from internet on Sep. 22, 2011.
North web literature for 7190N99 Welding Half Mask, http://www.northsafety.com/TriggerWorkflow.aspx?WorkflowModuleGUID=a3c3bf34-f500-45aa-a73f-13a246669a21&Alias=NSUS&SB—ContentItemGuid=b55fb755-d4a7-40dc-8e76-f21a2d582782&KeepSession=True&Tags:PC Tags:PC—ItemGuid=0b20f978-ad7c-413f-8b8c-e1ee2b710a19, obtained from internet on Sep. 22, 2011.
Shigematsu web literature for DR77R Respirator, http://www.stsjapan.com/products/bojin/detail.php?id=DR77R. obtained from internet on Sep. 26, 2011.