Safety helmet with ear muffs for hearing protection and fastening device therefor

- Gullfiber AB
Description

FIG. 1 is a side view of a safety helmet with ear muffs for hearing protection and fastening device therefor embodying my new design;

FIG. 2 is a front view of the safety helmet with ear muffs as shown in FIG. 1 and;

FIG. 3 is a bottom view of the safety helmet shown in FIGS. 1 and 2 with the ear muffs removed from the ear muff supports for convenience of illustration.

Referenced Cited
U.S. Patent Documents
3197785 August 1965 Simpson et al.
3273162 September 1966 Andrews
3461463 August 1969 Beguin
Patent History
Patent number: D244491
Type: Grant
Filed: Oct 31, 1975
Date of Patent: May 31, 1977
Assignee: Gullfiber AB (Billesholm)
Inventors: Kalman Csiki (Landskrona), Tord Rune Lundin (Billesholm)
Primary Examiner: Melvin B. Feifer
Attorney: David Toren
Application Number: 5/627,868
Classifications
Current U.S. Class: D/2232
International Classification: D0203;