Double chain collar keeper

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Description

FIG. 1 is a front elevational view of a double chain collar keeper showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view; and,

FIG. 4 is a partial rear elevational view, with part of the collar keeper removed for ease of illustration, the portion not shown being a mirror image of this view.

Referenced Cited
U.S. Patent Documents
21689 July 1892 Fry
77434 January 1929 Rice
D150185 July 1948 Wrazlowsky
D265145 June 29, 1982 Piorek
D277802 February 26, 1985 Luchetti
D312984 December 18, 1990 Sprick
317854 May 1885 Riley et al.
830785 November 1906 Hansel
968801 August 1910 Reynolds
1059353 April 1913 Doran
1338738 May 1920 Lobar
1492403 April 1924 Slater
1737453 November 1929 Doran
1862444 June 1932 Vickers
2022346 November 1935 Hickok
2039022 April 1936 Mix
2274269 February 1942 Jellinek
2431053 November 1947 Less
2454076 November 1948 Marx et al.
2620481 December 1952 Florkewicz
2905945 September 1959 Winter
3005204 October 1961 Silver
3106719 October 1963 Rosenfeld
Foreign Patent Documents
34196 December 1885 DE2
244659 December 1925 ITX
1250580 October 1971 GBX
Other references
  • Napier Catalog Sep. 1975 p. 35 top of page.
Patent History
Patent number: D335473
Type: Grant
Filed: Jul 8, 1991
Date of Patent: May 11, 1993
Inventor: Richard H. Sprick (Lake City, MN)
Primary Examiner: A. Hugo Word
Assistant Examiner: R. Seifert
Attorney: Gerald E. Helget
Application Number: 7/726,562