Mechanical lifting device

Details Mechanical lifting device Mechanical lifting device

2000-06-26

2002-09-10

Ramirez, Cynthia E. (Department: 2911)

Material or article handling equipment

Conveying, lifting, or transferring article

Jack or jackstand

Design Patent

active

D0462822

CLAIM:
The ornamental design for a mechanical lifting device, as shown.

REFERENCES:
patent: 4441849 (1984-04-01), Dizmang
patent: 4637770 (1987-01-01), Swandell
patent: 4640495 (1987-02-01), Parsons
patent: 4899985 (1990-02-01), Good
patent: 4962913 (1990-10-01), Stewart
patent: D358405 (1995-05-01), Fullerton
patent: D378457 (1997-03-01), Page
patent: D379018 (1997-04-01), Miller
patent: D384479 (1997-09-01), Ouelette

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