Material or article handling equipment – Conveying – lifting – or transferring article – Belt or roller conveyor
Design Patent
1999-12-28
2001-03-27
Ramirez, Cynthia E (Department: 2911)
Material or article handling equipment
Conveying, lifting, or transferring article
Belt or roller conveyor
CD34S035000
Design Patent
active
D0439721
CLAIM:
I claim the ornamental design for a sprocket, as shown and described.
REFERENCES:
patent: D. 262372 (1981-12-01), Mitchell
patent: D. 272671 (1984-02-01), Tupper
patent: D. 286932 (1986-11-01), Bode et al.
patent: 817632 (1906-04-01), Dodge
patent: 904119 (1908-11-01), Downs
patent: 4458603 (1984-07-01), Voecks
patent: 4462316 (1984-07-01), Tupper
patent: 4584945 (1986-04-01), Tupper
patent: 5156574 (1992-10-01), Gai
Abelman ,Frayne & Schwab
Machinefabriek Lubo B.V.
Ramirez Cynthia E
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