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Patent
D684682
Priority
Feb 14 2012
Filed
Oct 04 2012
Issued
Jun 18 2013
Expiry
Jun 18 2027
Assg.orig
Entity
unknown
4
26
n/a
The ornamental design for a flare stack burner having spherical valve, as shown and described.
FIG. 1 is a front elevational view.
FIG. 2 is a top plan view thereof; and,
FIG. 3 is a perspective of the flare stack burner having spherical valve of FIG. 1 .
The broken lines in the drawing represent portions of the flare stack burner having spherical valve and environmental subject matter that form no part of the claim.
Kovash, Dean A. , Mayer, Todd C.
Patent
Priority
Assignee
Title
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Date
Maintenance Fee Events
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Date
Maintenance Schedule
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