Hearing protector

- Cabot Safety Corporation


FIG. 1 is a perspective view of a hearing protector showing my new design;

FIG. 2 is a side elevational view thereof; and,

FIG. 3 is a bottom plan view thereof.

Referenced Cited

U.S. Patent Documents

D241881 October 1976 Peterson et al.
D245202 July 26, 1977 Asker
D269611 July 5, 1983 Saito
D292530 October 27, 1987 Anderson
3288246 November 1966 Allen
3319736 May 1967 Reynolds, Jr.
3339667 September 1967 Speelman

Foreign Patent Documents

445111 May 1974 GBX

Patent History

Patent number: D331966
Type: Grant
Filed: Dec 11, 1987
Date of Patent: Dec 22, 1992
Assignee: Cabot Safety Corporation (Southbridge, MA)
Inventor: Ross Gardner, Jr. (Indianapolis, IN)
Primary Examiner: Stella Reid
Attorney: Michelle B. Lando
Application Number: 7/132,543