USD678619SActiveUtility

Welding auto-darkening filter assembly

Assignee: JACKSON MATRICE BROWNPriority: Oct 26, 2010Filed: Oct 26, 2010Granted: Mar 19, 2013
Est. expiryOct 26, 2030(~4.3 yrs left)· nominal 20-yr term from priority
60
PatentIndex Score
12
Cited by
49
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a welding auto-darkening filter assembly, as shown and described.

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