Tabs on a personal respiratory protection device
United States Patent D449377

Henderson, Christopher P. (Brandon, GB)
Curran, Desmond T. (Durham, GB)
Bryant, John W. (High Shincliffe, GB)
Gloag, Nicholas J. (Darlington, GB)
Application Number:
Publication Date:
Filing Date:
3M Innovative Properties Company (St. Paul, MN)
Primary Class:
Field of Search:
D24/110.1, D24/110.2, D24/110.3, D24/126, 128/206.19, 128/207.16, 128/206.21, 128/207.12, 128/206.15, 128/201.17, 128/205.25
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US Patent References:
6123077Flat-folded personal respiratory protection devices and processes for preparing sameSeptember, 2000Bostock et al.128/206.12
D424688Respiratory protection maskMay, 2000Bryant et al.
6026511Protective article having a transparent shieldFebruary, 2000Baumann et al.128/206.19
5701892Multipurpose face mask that maintains an airspace between the mask and the wearer's faceDecember, 1997Bledstein
D384151Diaper fastening tabSeptember, 1997Raufman
D384152Diaper fastening tabSeptember, 1997Raufman
D377979Diaper fastening tab closureFebruary, 1997Plaschko et al.
D366697Combined molded cone style face mask and visorJanuary, 1996Drummond
5322061Disposable aerosol maskJune, 1994Brunson
4941467Humidification face maskJuly, 1990Takata
4873972Disposable filter respirator with inner molded face flangeOctober, 1989Magidson et al.128/206.12
4454881Multi-layer face mask with molded edge beadJune, 1984Huber et al.
4417575RespiratorsNovember, 1983Hilton et al.
4248220Disposable dust respiratorFebruary, 1981White
3768100COLD WEATHER FACE MASKOctober, 1973Colman et al.
3736928COLLAPSIBLE FACE MASKJune, 1973Andersson et al.
3288138Surgical maskNovember, 1966Sachs
3220409Face maskNovember, 1965Liloia et al.
2634725Stretchable face maskApril, 1953Presti
2565124Medical face maskAugust, 1951Durborow
2265529Surgical maskDecember, 1941Kemp
2248477Method and apparatus for administering oxygenJuly, 1941Lombard128/205.25
2012505MaskAugust, 1935Goldsmith
1987922Face maskJanuary, 1935Blatt

Foreign References:
GB2103491February, 1983
Primary Examiner:
Attorney, Agent or Firm:
Office of Intellectual Property Counsel (3M Innovative Properties Company P O Box 33427, St Paul, MN, 55133-3427, US)
1. The ornamental design for tabs on a personal respiratory protection device,as shown and described.


FIG. 1 is a perspective view of tabs on a personal respiratory protection device showing the new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a top elevational view thereof; the bottom elevational view being a mirror image of the top view; and,

FIG. 5 is a right elevational view thereof; the left side being a mirror image of the right side.

The broken line showing is for illustrative purposes only; it forms no part of the claimed design. The shading is provided only to show contour.