Face shield attachment for a safety helmet
Description
FIG. 1 is a side perspective view of a face shield attachment for a safety helmet showing my new design; the opposite side being a mirror image thereof; and
FIG. 2 is a bottom perspective view thereof.
Referenced Cited
U.S. Patent Documents
Other references
D199931 | December 1964 | Kline |
D210002 | January 1968 | Zahn |
2394388 | February 1946 | Krogel |
2834017 | May 1958 | Simpson et al. |
3273164 | September 1966 | Thomas |
3369255 | February 1968 | Bolle |
3582991 | June 1971 | Metz |
3686690 | August 1972 | Webb |
- New Equipment Digest, Jan. 1978, p. 63; Hard Hat with Face Shield Attachment, top right on page.
Patent History
Patent number: D287300
Type: Grant
Filed: Dec 21, 1984
Date of Patent: Dec 23, 1986
Inventor: Bo G. Lonnstedt (S-141 45 Huddinge)
Primary Examiner: Carmen H. Vales
Law Firm: Young & Thompson
Application Number: 6/685,062
Type: Grant
Filed: Dec 21, 1984
Date of Patent: Dec 23, 1986
Inventor: Bo G. Lonnstedt (S-141 45 Huddinge)
Primary Examiner: Carmen H. Vales
Law Firm: Young & Thompson
Application Number: 6/685,062
Classifications
Current U.S. Class:
D29/16