Safety helmet with ear muffs for hearing protection and fastening device therefor
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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
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;
International Classification: D0203;