Face shield with protective lens

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is an isometric view of a face shield with protective lens showing our new design;

FIG. 2 is a front view of the face shield illustrated in FIG. 1;

FIG. 3 is a top plan view of the face shield illustrated in FIG. 1;

FIG. 4 is bottom plan view of the face shield illustrated in FIG. 1;

FIG. 5 is a rear view of the face shield illustrated in FIG. 1; and,

FIG. 6 is a left side view of the face shield illustrated in FIG. 1, the right side view being the mirror image thereof.

The portion of the drawings shown in broken lines is for illustrative purposes and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D200757 April 1965 Hiatt et al.
D213303 February 1969 Jones
D214013 May 1969 Jones
D228700 October 1973 Gager, Jr.
D370310 May 28, 1996 Reuber et al.
D376674 December 17, 1996 Kamata
D392073 March 10, 1998 Lashley
D397519 August 25, 1998 Crupi et al.
4097929 July 4, 1978 Lowe et al.
4354285 October 19, 1982 Rudd
4536892 August 27, 1985 Brinkhoff et al.
4748695 June 7, 1988 Shigematsu et al.
4856109 August 15, 1989 Desy et al.
5086515 February 11, 1992 Giuliano
5410757 May 2, 1995 Vienamo et al.
Other references
  • "Powered Respirators" Racal Health & Safety, 6 page brochure, 1993. "3M Positive Pressure Respirators" Minnesota Mining and Manufacturing Company, 37 page brochure, Jun., 1998.
Patent History
Patent number: D416649
Type: Grant
Filed: Mar 10, 1998
Date of Patent: Nov 16, 1999
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: James A. Burns (Lake Elmo, MN), William J. Swanson (St. Paul, MN)
Primary Examiner: Ruth McInroy
Attorney: Michaele A. Hakamaki
Application Number: 0/84,862
Classifications
Current U.S. Class: Including Transparent Eye Shield (e.g., Welder's Mask, Glare Shield) (D29/110)
International Classification: 2902;