USD276665SExpiredUtility

Ear muff attachment for safety hat

70
Assignee: PROTECTOR SAFETY INDUSTRIES LTDPriority: Mar 31, 1981Filed: Nov 16, 1981Granted: Dec 11, 1984
Est. expiryMar 31, 2001(expired)· nominal 20-yr term from priority
Inventors:John B. Higginson
70
PatentIndex Score
15
Cited by
7
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an ear muff attachment for safety hat, as shown and described.

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