Sealing plug for a monitoring well

Information

  • Patent Grant
  • D326500
  • Patent Number
    D326,500
  • Date Filed
    Monday, August 28, 1989
    35 years ago
  • Date Issued
    Tuesday, May 26, 1992
    32 years ago
Abstract
Description
Claims
  • The ornamental design for a sealing plug for a monitoring well, as shown described.
US Referenced Citations (6)
Number Name Date Kind
3949787 Milo Apr 1976
4014367 Milo Mar 1977
4060100 Miller et al. Nov 1977
4848458 Holdsworth et al. Jul 1989
4881597 Hansley Nov 1989
4921123 Mizioch May 1990