Machines not elsewhere specified – Material working – abrading – or founding machinery – Element or attachment
Design Patent
2006-05-23
2006-05-23
Davis, Antoine D. (Department: 2915)
Machines not elsewhere specified
Material working, abrading, or founding machinery
Element or attachment
CD11S089000
Design Patent
active
D0521537
CLAIM:
The ornamental design for a diamond-shaped face on diamond-shaped face on blowout preventers, valves, chokes, or the like, as shown and described.
REFERENCES:
patent: D498698 (2004-11-01), Davidi
Jahnke Douglas A.
Kemp Leonard D.
Davis Antoine D.
Locke Liddell & Sapp LLP
T-3 Property Holdings, Inc.
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