Automatic sealing machine

Description

FIG. 1 is a left front perspective view of an automatic sealing machine embodying my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view taken from the left of FIG. 1;

FIG. 5 is a side elevation view taken from the right of FIG. 1;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D239461 April 1976 Heavner
3313090 April 1967 Kerrigan
3924387 December 1975 Konstantin
Patent History
Patent number: D255454
Type: Grant
Filed: Oct 25, 1978
Date of Patent: Jun 17, 1980
Inventor: Gerald D. Westlund (Minneapolis, MN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: B. J. Bullock
Law Firm: Schroeder, Siegfried, Ryan, Vidas, Steffey & Arrett
Application Number: 5/954,568
Classifications
Current U.S. Class: Vacuum Or Heat Seal (D15/146)
International Classification: D1599;