Cannula

Information

  • Patent Grant
  • D321250
  • Patent Number
    D321,250
  • Date Filed
    Tuesday, March 7, 1989
    36 years ago
  • Date Issued
    Tuesday, October 29, 1991
    33 years ago
  • US Classifications
    Field of Search
    • US
    • D24 53
    • D24 51
    • D24 52
    • 604 280
    • 604 283
    • 604 244
    • 604 403
    • 604 406
    • 604 413
    • 604 29
    • 604 905
    • 285 81
    • 285 92
    • 285 332
    • 285 340
    • 285 386
    • Term of Grant
      14Years
Abstract
Description
Claims
  • The ornamental design for a cannula, as shown and described.
US Referenced Citations (7)
Number Name Date Kind
3729031 Baldwin Apr 1973
3729032 Tischlinger Apr 1973
3876234 Harms Apr 1975
4266815 Cross May 1981
4346703 Dennehey et al. Aug 1982
4369781 Gilson et al. Jan 1983
4452473 Ruschke Jun 1984