TREA

Cell scraping device

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Information

  • Patent Grant
  • D261807
  • Patent Number
    D261,807
  • Date Filed
    Monday, May 7, 1979
    46 years ago
  • Date Issued
    Tuesday, November 10, 1981
    44 years ago
  • US Classifications
    Field of Search
    • US
    • 128 304
    • 435 285
    • 435 236 R
    • 435 317
    • 015 236 R
    • 015 292
    • 015 294
    • D24 28
    • D24 99
  • International Classifications
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a cell scraping device, as shown.
US Referenced Citations (7)
Number Name Date Kind
D210757 Michel Apr 1968
D239042 Freake et al. Mar 1976
D251013 Kettel Feb 1979
3945372 Milan et al. Mar 1976
4004981 Hurni et al. Jan 1977
4054490 Vesterberg Oct 1977
4065359 Hurni Dec 1977