Green helmet respiratory protection device

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Description

FIG. 1 is a perspective view of a green helmet respiratory protection device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a bottom elevational view thereof;

FIG. 5 is a rear elevational view; and,

FIG. 6 is a side elevational view thereof, the opposite side being a mirror image.

The details shown in broken lines in all views are for illustrative purposes only and form no part of the claimed design. The diagonal line shading represents the color green.

Claims

The ornamental design for a green helmet respiratory protection device, as shown and described.

Referenced Cited
U.S. Patent Documents
D190220 May 1961 Clohesy
D192071 January 1962 Tucker
D216765 March 1970 DalPiaz
D240310 June 1976 Sinclair
D277425 February 5, 1985 Higginson
D299765 February 7, 1989 Lewis et al.
D370308 May 28, 1996 Nilsson
D375826 November 26, 1996 Summers
D420770 February 15, 2000 Burns
D420771 February 15, 2000 Burns
D421820 March 21, 2000 Johnson
6035451 March 14, 2000 Burns et al.
Other references
  • Lab Safety Supply Catalog, p. 16. “Polyethylene Hard Hats”. Bottom right side of page.
  • Product Information: “Pureflo Powered Respirators,” Helmet Integrated Systems Ltd., 13 pages.
  • Product information: “Cobra Powered Helmet Respirators,” MSA.
  • Product Information: “AH29 Air Supplied Airstream,” Airstream Anti Dust Helmet, Racal.
  • Product Information: “The Dustmaster System,” Arco.
  • Product Information: “Breathe Easy Plus,” 1 BE1=Helmet System, Racal.
  • Product Information: Helmet product literature, Kasco, 7 pages.
Patent History
Patent number: D436234
Type: Grant
Filed: Mar 10, 1998
Date of Patent: Jan 9, 2001
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: M. Antonia S{acute over (a)}ez (Madrid), David R. Schlaefer (Wing on Life Garden)
Primary Examiner: Ruth McInroy
Attorney, Agent or Law Firm: James A. Rogers
Application Number: 29/084,775
Classifications
Current U.S. Class: Element Or Attachment (D29/122); Cranial (D29/102)
International Classification: 2902;