TREA

Casing centralizer having straight blades

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Information

  • Patent Grant
  • D676464
  • Patent Number
    D676,464
  • Date Filed
    Wednesday, April 4, 2012
    13 years ago
  • Date Issued
    Tuesday, February 19, 2013
    12 years ago
  • US Classifications
    Field of Search
    • US
    • D15 10
    • D15 21
    • 166 384000
    • 166 2411-2417
    • 166 213000
    • 166 173000
    • 166 208000
    • 166 382000
    • 175 325500
    • 175 325100
    • 175 325200
    • 175 325300
    • 138 108000
    • 138 112000
    • 228 155000
    • 072 393000
  • International Classifications
    • 1503
    • Term of Grant
      14Years
Information
Abstract
Description


FIG. 1 is a perspective view of a casing centralizer having straight blades showing our new design;



FIG. 2 is a rear elevational view thereof;



FIG. 3 is a front elevational view thereof;



FIG. 4 is a right-side elevational view thereof;



FIG. 5 is a left-side elevational view thereof;



FIG. 6 is a top plan view thereof; and,



FIG. 7 is a bottom plan view.


The broken lines showing a cylinder are included for the purposes of illustrating only and form no part of the claimed design.


Claims
  • The ornamental design of casing centralizer having straight blades, substantially as shown and described.
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