USD508424SExpiredUtility

Laser leveling device

47
Assignee: NANJING CHERVON IND CO LTDPriority: Jun 1, 2004Filed: Nov 12, 2004Granted: Aug 16, 2005
Est. expiryJun 1, 2024(expired)· nominal 20-yr term from priority
Inventors:Yi Liu
47
PatentIndex Score
6
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a laser leveling device, as shown and described.

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