TREA

Back drilling threaded bit

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Information

  • Patent Grant
  • D382887
  • Patent Number
    D382,887
  • Date Filed
    Friday, May 31, 1996
    28 years ago
  • Date Issued
    Tuesday, August 26, 1997
    27 years ago
  • US Classifications
    Field of Search
    • US
    • D15 138
    • D15 139
    • 175 21
    • 175 393
    • 175 371
    • 175 400
    • 175 403
    • 175 418
    • 175 424
    • 175 431
    • 175 340
    • 408 204
    • 408 420
    • 408 703
  • International Classifications
    • 1509
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a back drilling threaded bit, as shown and described.
US Referenced Citations (5)
Number Name Date Kind
D359968 Ekblad et al. Jul 1995
4730682 Ditzig Mar 1988
5025875 Witt Jun 1991
5145017 Holster et al. Sep 1992
5366032 Kay Nov 1994