Gem holder for color evaluating

Description

FIG. 1 is a top and left front perspective view of a gem holder for color evaluating showing my new design;

FIG. 2 is a bottom and right rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof, the left side being a mirror image thereto;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof; and

FIG. 8 is a cross-sectional view as taken from line 8--8 of FIG. 3.

Referenced Cited
U.S. Patent Documents
D92775 July 1934 Sekine
D106826 November 1937 Dieffenbach
D241042 August 1976 Kupiec
1383646 July 1921 Luckinbill
Other references
  • Popular Science, 5/8/44, p. 182, Feed Trough at bottom.
Patent History
Patent number: D257617
Type: Grant
Filed: Nov 20, 1978
Date of Patent: Dec 9, 1980
Inventor: Michael Z. Wolkenfeld (Los Angeles, CA)
Primary Examiner: Nelson C. Holtje
Attorney: Paul D. Supnik
Application Number: 5/961,959
Classifications
Current U.S. Class: Tool Or Work Holder (D15/140)
International Classification: D1599;