USD501964SExpiredUtility

Dust-collecting machine

83
Assignee: SAN FORD MACHINERY CO LTDPriority: Oct 31, 2003Filed: Oct 31, 2003Granted: Feb 15, 2005
Est. expiryOct 31, 2023(expired)· nominal 20-yr term from priority
Inventors:Chieh-Yuan Cheng
83
PatentIndex Score
28
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
I claim the ornamental design for a dust-collecting machine, as shown and described.

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