Test tube

Information

  • Patent Grant
  • D246600
  • Patent Number
    D246,600
  • Date Filed
    Wednesday, November 5, 1975
    49 years ago
  • Date Issued
    Tuesday, December 6, 1977
    47 years ago
Abstract
Description
Claims
  • The ornamental design for test tube, as shown.
Priority Claims (1)
Number Date Country Kind
50-17460 May 1975 JA
US Referenced Citations (7)
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
3898468 Ikeda Aug 1975
3980436 Greenfield et al. Sep 1976
Non-Patent Literature Citations (1)
Entry
Cambosco Scientific Cat., .COPYRGT.1965, p. 75, Centrifuge Tube, item No. 21-185.