Jewelry chain clasp
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.
679829 | August 1901 | Carr |
708855 | August 1902 | Schmelz |
1789184 | January 1931 | Lang |
2234656 | March 1941 | Schmalz |
3739432 | June 1973 | Sander et al. |
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