Insulation application unit

- Ark-Seal Corporation

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Description

FIG. 1 is an enlarged perspective view of the insulation application unit showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view taken from the right of FIG. 1;

FIG. 4 is a side view taken from the left of FIG. 1, the screening which is partially shown is understood to repeat across the area;

FIG. 5 is a rear view thereof, again the screening which is partially shown in understood to repeat across the area;

FIG. 6 is a top plan view thereof with the upper shelf in its extended position;

FIG. 7 is a bottom plan view thereof with the upper shelf in its retracted position.

Referenced Cited
U.S. Patent Documents
D249525 September 19, 1978 Sperber
Patent History
Patent number: D254618
Type: Grant
Filed: Aug 16, 1978
Date of Patent: Apr 1, 1980
Assignee: Ark-Seal Corporation (Denver, CO)
Inventor: Henry V. Sperber (Englewood, CO)
Primary Examiner: Wallace R. Burke
Assistant Examiner: B. J. Bullock
Law Firm: Sheridan, Ross, Fields & McIntosh
Application Number: 5/934,006
Classifications
Current U.S. Class: Material Working, Abrading, Or Founding Machinery (D15/122); Miscellaneous (D15/199)
International Classification: D1599;