TREA

Pneumatic plug for pipelines

Follow

Information

  • Patent Grant
  • D362713
  • Patent Number
    D362,713
  • Date Filed
    Tuesday, May 17, 1994
    30 years ago
  • Date Issued
    Tuesday, September 26, 1995
    29 years ago
  • US Classifications
    Field of Search
    • US
    • D23 259
    • D23 260
    • 015 104061
    • 166 153
    • 166 192
    • 277 346
    • 220 352
    • 220 DIG 19
    • 138 89
    • 138 97
    • 138 98
    • 138 93
    • 138 109
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a pneumatic plug for pipelines, as shown and described.
US Referenced Citations (4)
Number Name Date Kind
3902528 Tartabini et al. Sep 1975
3908682 Thompson Sep 1975
4614206 Mathison et al. Sep 1986
5199463 Lippiatt Apr 1993
Non-Patent Literature Citations (3)
Entry
American Logiball Inc., Logiball-Reinforced Rubber Multi-size Plugs, Product Sheet, 1 page.
Cherne Industries Incorporated, Cherne Petro Plug, 1991, Product Sheet, 1 page.
Cherne Industries Incorporated, Cherne Neoprene Factory Replaceable Sleeve Multi-Size Muni-Ball Plugs, 1991, 1 page.