Retainer spring clamp for a coffee filter

Description

FIG. 1 is a top plan view of a retainer spring clamp for a coffee filter showing my new design, the bottom plan view being a mirror image; and

FIG. 2 is an elevational view thereof taken from the right side of FIG. 1.

Referenced Cited
U.S. Patent Documents
220691 October 1879 Adney
425374 April 1890 Elliott
526331 September 1894 Tobin
1413892 April 1922 Bergholz et al.
1675855 July 1928 Kogler et al.
2108684 February 1938 Lynch
2282767 May 1942 Peterson
2286231 June 1942 Schmitt
2373987 April 1945 Wolcott et al.
2814245 November 1957 Courtney
3858496 January 1975 Downers
4319758 March 16, 1982 Nicholson
4656932 April 14, 1987 Kopp
Patent History
Patent number: D317388
Type: Grant
Filed: Jul 29, 1988
Date of Patent: Jun 11, 1991
Inventor: T. Neal White (Suffolk, VA)
Primary Examiner: Winifred E. Herrmann
Attorney: Norman B. Rainer
Application Number: 7/225,949
Classifications
Current U.S. Class: D/7400; D/7387; D/8396; D/8499