Support bail

- Varco I/P, Inc.
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Description

FIG. 1 is a side view of a support bail according to the present invention.

FIG. 2 is a front view of the support bail of FIG. 1.

FIG. 3 is a side view of the support bail of FIG. 1 opposite the side of FIG. 1.

FIG. 4 is a rear view of the support bail of FIG. 1.

FIG. 5 is a top view of the support bail of FIG. 1; and,

FIG. 6 is a bottom view of the support bail of FIG. l.

Claims

The ornamental design for a support bail, as shown and described.

Referenced Cited
U.S. Patent Documents
1276471 August 1918 Wilson
1560129 November 1925 Yungling
1627873 May 1927 Taylor
1690709 November 1928 Wilson
2048928 July 1936 Dye
2242783 May 1941 Grau
3452957 July 1969 Zuelsdorf
4449596 May 22, 1984 Boyadjieff
4593773 June 10, 1986 Skeie
4643325 February 17, 1987 Streit
4800968 January 31, 1989 Shaw et al.
5433279 July 18, 1995 Tessari et al.
5457850 October 17, 1995 Knox
6679333 January 20, 2004 York et al.
7222683 May 29, 2007 Folk et al.
20060191690 August 31, 2006 Severin et al.
Other references
  • Tesco Drilling Technology, 500 or 650 HCIS Top Drive, 1998, 2pp., USA.
  • National Oilwell, Top Drive Drilling System TD500PAC Variable Frequency AC Top Drive, 2002, 6pp., USA.
  • Joy Petroleum Equipment, Catalog 1978-79, 1977, 3pp. USA.
  • Varco, Varco General Catalog, 4 pp., 2002 USA.
  • BJ Hughes Drilling Equipment, BJ 1986-87Oil Field Products and Systems, 5pp. USA.
  • Blohm & Voss, Pipe Handling Equipment, Drill Pipe spinner, 2004, 2pp.
  • Oil Country Manfacturing, Inc., General Catalog, 2005, Cover Page and 5 pp.
Patent History
Patent number: D572119
Type: Grant
Filed: Jun 27, 2007
Date of Patent: Jul 1, 2008
Assignee: Varco I/P, Inc. (Houston, TX)
Inventors: Lawrence E. Wells (Yorba Linda, CA), Brett Gregory Wallihan (Huntington Bch, CA)
Primary Examiner: Holly H Baynham
Attorney: Guy McClung
Application Number: 29/288,949
Classifications
Current U.S. Class: D8/354