Scraper for cleaning boilers and furnaces

Description

FIG. 1 is a top plan view of a scraper for cleaning boilers and furnaces showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D166880 May 1952 Ruppe
1480053 January 1924 Ericsson
Foreign Patent Documents
392610 March 1924 DE2
1195463 November 1959 FRX
Patent History
Patent number: D297062
Type: Grant
Filed: Nov 12, 1986
Date of Patent: Aug 2, 1988
Inventor: Richard Miller (Thornwood, NY)
Primary Examiner: Catherine E. Kemper
Attorney: Jonathan B. Schafrann
Application Number: 6/929,652
Classifications
Current U.S. Class: With Elongated Handle (D32/49); D/7137; D/7151