TREA

Blade for mixing liquids in a conduit

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Information

  • Patent Grant
  • D255451
  • Patent Number
    D255,451
  • Date Filed
    Monday, December 12, 1977
    47 years ago
  • Date Issued
    Tuesday, June 17, 1980
    44 years ago
  • US Classifications
    Field of Search
    • US
    • D15 122
    • D15 199
    • D15 98
    • D15 138
    • D07 160
    • 366 342
    • 366 343
    • 416 210
    • 416 223 R
    • 416 234
    • 416 231 A
    • 416 243
  • International Classifications
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a blade for mixing liquids in a conduit, as shown.
US Referenced Citations (5)
Number Name Date Kind
170989 Cloudman Dec 1875
D226823 Landberg May 1973
745853 Ingraham Dec 1903
2201947 Valentine May 1940
3887300 Quinn Jun 1975