Protective face shield

Description

FIG. 1 is a right side elevational view of a protective face shield showing my new design, the left side being a mirror image;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D198718 July 1964 Colley
D224281 July 1972 Padilla
D229587 December 1973 Haggerty
D266795 November 9, 1982 Gronborg
D283940 May 27, 1986 Bally
D318147 July 9, 1991 Russell
4495657 January 29, 1985 Bay
Other references
  • Occupational Hazards, Nov. 1961, p. 19, "Dockson Corp. Plastic Window #26-L-top right hand page".
Patent History
Patent number: D331820
Type: Grant
Filed: Sep 14, 1990
Date of Patent: Dec 15, 1992
Inventor: Thomas A. Scanlon (Barrington, RI)
Primary Examiner: A. Hugo Word
Assistant Examiner: Ruth McInroy
Attorney: Robert J. Doherty
Application Number: 7/581,972
Classifications
Current U.S. Class: D29/17