Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Design Patent
2005-05-24
2005-05-24
Davis, Antoine D. (Department: 2913)
Machines not elsewhere specified
Material working, abrading, or founding machinery
Element or attachment
Design Patent
active
D0505435
CLAIM:
The ornamental design for a crown bit, as shown and described.
REFERENCES:
patent: 4128136 (1978-12-01), Generoux
patent: 4211294 (1980-07-01), Multakh
patent: 4681174 (1987-07-01), Aubakirov et al.
patent: 5322139 (1994-06-01), Rose et al.
patent: 6702650 (2004-03-01), Adefris
Charland Luc
Charland Roger
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