USD267207SExpiredUtility
Welder's helmet
Est. expiryOct 17, 2000(expired)· nominal 20-yr term from priority
Inventors:Joseph R. Hilton
58
PatentIndex Score
9
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for welder's helmet, as shown and described.
Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.