Vacuum seal cracking tool for jars

Description

FIG. 1 is a top plan view of a vacuum seal cracking tool for jars showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a sectional view taken along line 4--4 of FIG. 3;

FIG. 5 is a sectional view taken along line 5--5 of FIG. 3;

FIG. 6 is a top plan view of an alternate embodiment of FIG. 1;

FIG. 7 is a side elevational view of FIG. 6;

FIG. 8 is a bottom plan view of FIG. 6;

FIG. 9 is a sectional view taken along line 9--9 of FIG. 8; and,

FIG. 10 is a sectional view taken along line 10--10 of FIG. 8.

Referenced Cited
U.S. Patent Documents
D31398 August 1899 Koch
D126253 April 1941 Smiley
819455 May 1906 Read
1277818 September 1918 Anderson
1963007 June 1934 Week
2503683 April 1950 Perkins
2571401 October 1951 Williams
Patent History
Patent number: D325500
Type: Grant
Filed: Aug 6, 1990
Date of Patent: Apr 21, 1992
Inventors: James W. Dennis (Rochester, NY), Vonda J. Dennis (Rochester, NY)
Primary Examiner: Terry A. Pfeffer
Law Firm: Marjama & Pincelli
Application Number: 7/562,961
Classifications
Current U.S. Class: D 8/33; D 8/40