USD475796SExpiredUtility

Industrial dust control door

35
Priority: May 28, 2002Filed: May 28, 2002Granted: Jun 10, 2003
Est. expiryMay 28, 2022(expired)· nominal 20-yr term from priority
Inventors:David Liu
35
PatentIndex Score
2
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a industrial dust control door, as shown and described.

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