Machines not elsewhere specified – Material working – abrading – or founding machinery – Molding or casting
Design Patent
2006-05-16
2006-05-16
Davis, Antoine D. (Department: 2915)
Machines not elsewhere specified
Material working, abrading, or founding machinery
Molding or casting
Design Patent
active
D0521032
CLAIM:
An ornamental design for a sprue bush for a disc-molding die, as shown and described.
REFERENCES:
patent: 2960482 (1960-11-01), Henning
patent: 3810728 (1974-05-01), Jacobs
patent: 6015281 (2000-01-01), Chikazawa et al.
patent: 6832857 (2004-12-01), Okuma et al.
patent: 6837549 (2005-01-01), Ito et al.
patent: 6839608 (2005-01-01), Sarabi et al.
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