USD609803SExpiredUtility
Din cap front cover for use with a filter respirator mask
Est. expiryApr 13, 2026(expired)· nominal 20-yr term from priority
Inventors:William Dean Ungar
86
PatentIndex Score
35
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a din cap front cover for use with a filter respirator mask, as shown and described.
Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.