TREA

Pipe coupling

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Information

  • Patent Grant
  • D348097
  • Patent Number
    D348,097
  • Date Filed
    Monday, March 16, 1992
    32 years ago
  • Date Issued
    Tuesday, June 21, 1994
    30 years ago
Information
Abstract
Description
Claims
  • The ornamental design for a pipe coupling, as shown and described.
US Referenced Citations (7)
Number Name Date Kind
149958 Smith Apr 1874
567231 Glauber Sep 1896
925762 Eager Jun 1909
2086007 Tompkins Jul 1937
2215318 Bristol Sep 1940
3222777 Rutter et al. Dec 1965
3825288 Maroschak Jul 1974
Non-Patent Literature Citations (1)
Entry
Brochure of Northern Pipe Products, GPK Products, Inc., undated but admitted to be prior art, not dated.