TREA

Unitary hot sprue bushing

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Information

  • Patent Grant
  • D324870
  • Patent Number
    D324,870
  • Date Filed
    Monday, October 31, 1988
    36 years ago
  • Date Issued
    Tuesday, March 24, 1992
    32 years ago
  • US Classifications
    Field of Search
    • US
    • D15 143
    • 264 106
    • 264 155
    • 264 161
    • 264 163
    • 264 3289
    • 425 548
    • 425 549
    • 425 556
    • 425 563
    • 425 564
    • 425 573
    • 425 810
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a unitary hot sprue bushing, as shown and described.
US Referenced Citations (6)
Number Name Date Kind
D255577 Dahlquist Jun 1980
4273525 Reitan Jun 1981
4492555 Schultz Jan 1985
4517453 Tsutsumi May 1985
4666396 Shaw May 1987
4740151 Schmidt et al. Apr 1988