Flare stack burner having spherical valve
Kovash , et al. June 18, 2
U.S. patent number D684,682 [Application Number D/421,989] was granted by the patent office on 2013-06-18 for flare stack burner having spherical valve. This patent grant is currently assigned to Steffes Corporation. The grantee listed for this patent is Steffes Corporation. Invention is credited to Dean A. Kovash, Todd C. Mayer.
| United States Patent | D684,682 |
| Kovash , et al. | June 18, 2013 |
| **Please see images for: ( Certificate of Correction ) ** |
Flare stack burner having spherical valve
Claims
CLAIM The ornamental design for a flare stack burner having spherical valve, as shown and described.
| Inventors: | Kovash; Dean A. (Manning, ND), Mayer; Todd C. (Dickinson, ND) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Applicant: |
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| Assignee: | Steffes Corporation (Dickinson,
ND) |
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| Appl. No.: | D/421,989 | ||||||||||
| Filed: | October 4, 2012 |
Related U.S. Patent Documents
| Application Number | Filing Date | Patent Number | Issue Date | ||
|---|---|---|---|---|---|
| 29413290 | Feb 14, 2012 | D671204 | |||
| Current U.S. Class: | D23/415 |
| Current International Class: | 2303 |
| Field of Search: | ;D23/403-406,415-419,421,422,499,343-345,347,349,386 ;D7/402,407,408,416,417 ;40/798 ;44/520,530 ;52/36.3 ;126/25B,298,500,512,540,543,544,548,555 ;160/DIG.9 ;431/36,208,263,273,329 |
References Cited [Referenced By]
U.S. Patent Documents
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| 6960075 | November 2005 | Rajewski |
| 7328680 | February 2008 | Diamond |
| D640363 | June 2011 | Cook |
| 8118783 | February 2012 | Smith |
| D671204 | November 2012 | Kovash et al. |
| 2002/0074423 | June 2002 | Boecking |
| 2006/0217666 | September 2006 | Wenchell |
| 2012/0006091 | January 2012 | Deng |
| 2012/0276488 | November 2012 | Virag et al. |
| 2012/0279484 | November 2012 | Lange |
Other References
|
Non-final Office Action from related Design U.S. Appl. No. 29/413,290, mailed Apr. 25, 2012. cited by applicant. |
Primary Examiner: Acker; Karen S
Attorney, Agent or Firm: Westman, Champlin & Kelly, P.A.
Description
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.
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