TREA

Rotary mining bit

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Information

  • Patent Grant
  • D430578
  • Patent Number
    D430,578
  • Date Filed
    Thursday, October 8, 1998
    26 years ago
  • Date Issued
    Tuesday, September 5, 2000
    24 years ago
  • Inventors
  • Examiners
    • Morris; Sandra L.
    Agents
    • Heywood; Richard G.
  • US Classifications
    Field of Search
    • US
    • D15 21
    • D15 28
    • D15 139
    • 175 339
    • 175 377
    • 175 378
    • 175 393
    • 175 4201
    • 175 427
    • 175 430
    • 299 791
  • International Classifications
    • 1504
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a rotary mining bit, as shown and described.
US Referenced Citations (11)
Number Name Date Kind
D273390 Lassiter Apr 1984
D340248 Brady Oct 1993
D351174 Brady Oct 1994
2650071 Rassieur Aug 1953
3131779 Rowley et al. May 1964
4711312 Leibee et al. Dec 1987
4819748 Truscott Apr 1989
4852671 Southland Aug 1989
5025874 Barr et al. Jun 1991
5180022 Brady Jan 1993
5429199 Sheirer et al. Jul 1995