TREA

Test tube

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Information

  • Patent Grant
  • D246467
  • Patent Number
    D246,467
  • Date Filed
    Wednesday, November 5, 1975
    49 years ago
  • Date Issued
    Tuesday, November 22, 1977
    47 years ago
  • US Classifications
    Field of Search
    • US
    • 023 259
    • 023 292
    • 215 DIG 3
    • 215 1 R
    • D09 216
    • D32 1 R
    • D24 32
    • D24 56
  • International Classifications
    • Term of Grant
      7Years
Information
Abstract
Description
Claims
  • The ornamental design for test tube, as shown.
US Referenced Citations (6)
Number Name Date Kind
D213292 Arsenault et al. Feb 1969
2240101 Smith Apr 1941
2858036 Earle et al. Oct 1958
3134725 Brook et al. May 1964
3705018 Taylor Dec 1972
3898046 Ikeda Aug 1975
Non-Patent Literature Citations (1)
Entry
Cambosco Scientific Cat., .COPYRGT. 1965, p. 75, centrifuge tube, 21-185 (item).