USD287300SExpiredUtility
Face shield attachment for a safety helmet
Individually held — no corporate assignee on recordPriority: Jul 4, 1984Filed: Dec 21, 1984Granted: Dec 23, 1986
Est. expiryJul 4, 2004(expired)· nominal 20-yr term from priority
Inventors:Bo G. Lonnstedt
86
PatentIndex Score
22
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a face shield attachment for a safety helmet, as shown and described.
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