Traffic control barricade

- The Kelch Corporation
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Description

FIG. 1 is a perspective view of a traffic control barricade showing our new design;

FIG. 2 is a side elevational view thereof on an enlarged scale;

FIG. 3 is a top plan view thereof on an enlarged scale; and

FIG. 4 is a front elevational view thereof on an enlarged scale.

Referenced Cited
U.S. Patent Documents
D237473 November 1975 Fitch
D243073 January 18, 1977 Kulp et al.
D243074 January 18, 1977 Kulp et al.
D243075 January 18, 1977 Kulp et al.
3475009 October 1969 Brown
3952690 April 27, 1976 Rizzo et al.
4083033 April 4, 1978 Kulp et al.
4157210 June 5, 1979 Mesman
Other references
  • Henry Dreyfuss, Symbol Source Book, .COPYRGT.1972, p. 201 Elongated Octogon (Nothing to Declare Sign). A Two Page Lear Siegler Advertisement (Undated) (Admitted as Prior Art) Showing the "Channelizer" Traffic Control Element. Three Pages of Correspondence Dated Feb. 19, 1981 and Feb. 25, 1981 Between Riblet Plastics and Applicants' Assignee, The Kelch Corp ., and p. 5 of a Flex-O-Lite Brochure Entitled "When the Sun Turns Off . . . ".
Patent History
Patent number: D270719
Type: Grant
Filed: Mar 9, 1981
Date of Patent: Sep 27, 1983
Assignee: The Kelch Corporation (Mequon, WI)
Inventors: Ben J. Porath (Grafton, WI), Daniel J. Manning (Milwaukee, WI)
Primary Examiner: Susan J. Lucas
Law Firm: Quarles & Brady
Application Number: 6/242,014
Classifications
Current U.S. Class: D10/109
International Classification: D1006;