Butterfly valve handle extension
Sisk March 19, 2
U.S. patent number D678,475 [Application Number D/373,620] was granted by the patent office on 2013-03-19 for butterfly valve handle extension. This patent grant is currently assigned to Bulk Tank, Inc.. The grantee listed for this patent is David E. Sisk. Invention is credited to David E. Sisk.
| United States Patent | D678,475 |
| Sisk | March 19, 2013 |
Butterfly valve handle extension
Claims
CLAIM The ornamental design for the butterfly valve handle extension, as shown and described.
| Inventors: | Sisk; David E. (St. Francois, MO) | ||||||||||
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| Applicant: |
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| Assignee: | Bulk Tank, Inc. (Park Hills,
MO) |
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| Appl. No.: | D/373,620 | ||||||||||
| Filed: | May 3, 2011 |
| Current U.S. Class: | D23/233 |
| Current International Class: | 2301 |
| Field of Search: | ;D23/233-237 ;137/375,382,385 ;251/308,293 |
References Cited [Referenced By]
U.S. Patent Documents
| 965322 | July 1910 | Peterson |
| 1131371 | March 1915 | Hatfield |
| 1302891 | May 1919 | Balthasar |
| 2278421 | April 1942 | Brown |
| 2361006 | October 1944 | Brown |
| 2816729 | December 1957 | Jensen |
| 2882010 | April 1959 | Bryant |
| 3100500 | August 1963 | Stillwagon |
| 3269414 | August 1966 | Mayo |
| 3290001 | December 1966 | Taylor |
| 3298677 | January 1967 | Anderson |
| 3334650 | August 1967 | Lowrey et al. |
| 3509905 | May 1970 | Mullins |
| 3677297 | July 1972 | Walton |
| 3680833 | August 1972 | McNeely, Jr. |
| 3778028 | December 1973 | Graves et al. |
| 3904173 | September 1975 | Naylor |
| 3960177 | June 1976 | Baumann |
| 4335738 | June 1982 | Nassir |
| 4449267 | May 1984 | Siemion |
| 4469305 | September 1984 | Baumann |
| 4660323 | April 1987 | Kanies |
| 4848396 | July 1989 | Sisk |
| 5360030 | November 1994 | Sisk |
| 5842681 | December 1998 | Sisk |
| 6607177 | August 2003 | Burian et al. |
| 6616123 | September 2003 | Burian et al. |
| 6786362 | September 2004 | Sisk |
Attorney, Agent or Firm: Denk; Paul M.
Description
FIG. 1 is an isometric view of the butterfly valve handle extension of this invention;
FIG. 2 is an end view thereof, the opposite end view being a mirror image thereof;
FIG. 3 is a side view, the opposite side view being a mirror image thereof; and,
FIG. 4 is a top view, the bottom view being a mirror image thereof.
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