USD462822SExpiredUtility

Mechanical lifting device

34
Priority: Jun 26, 2000Filed: Jun 26, 2000Granted: Sep 10, 2002
Est. expiryJun 26, 2020(expired)· nominal 20-yr term from priority
Inventors:John E. Carson
34
PatentIndex Score
3
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a mechanical lifting device, as shown.

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