TREA

Connector for a single strut mine roof truss

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Information

  • Patent Grant
  • D292670
  • Patent Number
    D292,670
  • Date Filed
    Monday, January 28, 1985
    39 years ago
  • Date Issued
    Tuesday, November 10, 1987
    37 years ago
Information
Abstract
Description
Claims
  • The ornamental design for a connector for a single strut mine roof truss, substantially as shown.
US Referenced Citations (7)
Number Name Date Kind
D275452 Payne Sep 1984
3427811 White Mar 1967
3505824 White Feb 1969
3601994 Galis Aug 1971
4395161 Wilson et al. Jul 1983
4456405 Galis Jun 1984
4498816 Korpela et al. Feb 1985
Non-Patent Literature Citations (6)
Entry
Design of Supports in Mines by Cemal Biron et al., [pp. 105, 119, 421].
Double Bolt Truss, from F. M. Locotos Co., Inc., [one page].
Current Trends . . . , by C. P. Mangelsdorf, [pp. 108, 110].
Mine Roof Truss System, from Hansen Corp., [one page].
Page 17 of Unidentified Article--Comprising Figures 8 and 9.
Pattin Truss System advertisement.