TREA

Expandable core element for use with an injection molding system

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Information

  • Patent Grant
  • D356320
  • Patent Number
    D356,320
  • Date Filed
    Friday, December 10, 1993
    31 years ago
  • Date Issued
    Tuesday, March 14, 1995
    30 years ago
  • US Classifications
    Field of Search
    • US
    • D15 135
    • D15 136
    • D15 137
    • D15 138
    • D15 140
    • 164 345
    • 249 178
    • 249 179
    • 249 180
    • 249 184
    • 249 59
    • 264 3281
    • 264 533
    • 264 536
    • 425 417
    • 425 817 R
    • 425 DIG 58
    • 425 525
    • 425 457
    • 425 527
    • 425 531
    • 425 535
    • 425 556
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for an expandable core element for use with an injection molding system, as shown and described.
US Referenced Citations (10)
Number Name Date Kind
D204019 Adams Mar 1966
1421601 Speck Jul 1922
1642947 Fischer Sep 1927
4130264 Schroer Dec 1978
4578028 Dirksing et al. Mar 1986
4643658 Gordon Feb 1987
4919608 Catalanotti et al. Apr 1990
4938679 Pietrorazio Jul 1990
4956142 Mangone, Jr. Sep 1990
5090888 Pfannkuchen Feb 1992