Jewelry chain clasp

Description

FIG. 1 is a front elevational view of a jewelry chain clasp showing our new design, the broken line chain being illustrative of environment only;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a cross section taken on line 4--4 of FIG. 1;

FIG. 5 is a front elevational view on a reduced scale of a jewelry chain clasp showing a second embodiment of our new design;

FIG. 6 is a front elevational view showing a third embodiment thereof;

FIG. 7 is a front elevational view showing a fourth embodiment thereof;

FIG. 8 is a front elevational view showing a fifth embodiment thereof; and

FIG. 9 is a front elevational view showing a sixth embodiment thereof;

FIG. 10 shows an alternate cross-section to FIG. 4;

FIG. 11 shows another alternate cross-section;

FIG. 12 shows a third alternate cross-section;

FIG. 13 shows a fourth alternate cross-section; and

FIG. 14 shows a fifth alternate cross-section.

The characteristic feature of the design resides in the reversed double-curled ends of the clasp, the tips of which are flattened in a plane normal to the plane of the body of the clasp.

Referenced Cited
U.S. Patent Documents
679829 August 1901 Carr
708855 August 1902 Schmelz
1789184 January 1931 Lang
2234656 March 1941 Schmalz
3739432 June 1973 Sander et al.
Patent History
Patent number: D269770
Type: Grant
Filed: Sep 30, 1980
Date of Patent: Jul 19, 1983
Inventors: James E. Pittenger (Lakewood, CO), William S. Worth (Littleton, CO)
Primary Examiner: Louis S. Zarfas
Law Firm: Fields, Lewis, Pittenger & Rost
Application Number: 6/192,459
Classifications
Current U.S. Class: Fastener (D11/87)
International Classification: D1101;