Guard for derrick apparatus
Latest Varco I/P, Inc. Patents:
Description
FIG. 1 is a perspective view of a design for a guard for derrick apparatus according to the present invention.
FIG. 2 is a first side perspective view of the guard of FIG. 1.
FIG. 3 is a second side perspective view of the guard of FIG. 1, opposite to the first side.
FIG. 4 is a first side view of the guard of FIG. 1.
FIG. 5 is a second side view of the guard of FIG. 1, opposite the first side shown in FIG. 4.
FIG. 6 is a top view of the guard of FIG. 1; and,
FIG. 7 is a bottom view of the guard of FIG. 1.
Claims
The ornamental design for a guard for derrick apparatus, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D532798
Type: Grant
Filed: May 28, 2005
Date of Patent: Nov 28, 2006
Assignee: Varco I/P, Inc. (Houston, TX)
Inventors: Robert Alden Folk (Calgary), Steven Lorne Folk (Sherwood Park)
Primary Examiner: Mitchell Siegel
Assistant Examiner: Mark Goodwin
Attorney: Guy McClung
Application Number: 29/230,985
Type: Grant
Filed: May 28, 2005
Date of Patent: Nov 28, 2006
Assignee: Varco I/P, Inc. (Houston, TX)
Inventors: Robert Alden Folk (Calgary), Steven Lorne Folk (Sherwood Park)
Primary Examiner: Mitchell Siegel
Assistant Examiner: Mark Goodwin
Attorney: Guy McClung
Application Number: 29/230,985
Classifications
Current U.S. Class:
Drilling, Mining, Or Soil Treatment (includes Element) (D15/21)