TREA

Filter unit

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Information

  • Patent Grant
  • D297860
  • Patent Number
    D297,860
  • Date Filed
    Friday, October 18, 1985
    39 years ago
  • Date Issued
    Tuesday, September 27, 1988
    36 years ago
  • US Classifications
    Field of Search
    • US
    • D24 8
    • D24 29
    • D24 21
    • D24 51
    • D24 56
    • D24 57
    • 210 455
    • 210 473
    • 210 472
    • 210 474
    • 210 477
    • 210 446
    • 210 445
    • 210 232
    • 422 101
    • D23 4
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a filter unit, as shown and described.
US Referenced Citations (4)
Number Name Date Kind
D270947 Mehra et al. Oct 1983
3295686 Krueger Jan 1967
4357240 Mehra et al. Nov 1982
4614585 Mehra et al. Sep 1986