USD575905SActiveUtility
Cooling hard hat
Est. expiryJun 4, 2027(~0.9 yrs left)· nominal 20-yr term from priority
53
PatentIndex Score
13
Cited by
8
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a cooling hard hat, as shown and described.Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.