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
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