Scraper to clean the fins of heat exchangers or the like
Smith November 5, 1
U.S. patent number D321,422 [Application Number 07/431,012] was granted by the patent office on 1991-11-05 for scraper to clean the fins of heat exchangers or the like. This patent grant is currently assigned to General Electric Company. Invention is credited to Russell D. Smith.
| United States Patent | D321,422 |
| Smith | November 5, 1991 |
Scraper to clean the fins of heat exchangers or the like
Claims
The ornamental design for a scraper to clean the fins of heat exchangers or the like, as shown and described.
| Inventors: | Smith; Russell D. (Irvine, CA) |
|---|---|
| Assignee: | General Electric Company
(Louisville, KY) |
| Appl. No.: | 07/431,012 |
| Filed: | November 2, 1989 |
| Current U.S. Class: | D32/46 |
| Field of Search: | ;D4/138,199 ;D8/14,90,94,303,DIG.4-5,7-8 ;D32/35,40,46-49 ;15/105,111,143R,236.01-236.09,237 ;16/11R,114R ;30/164.6-164.9 |
References Cited [Referenced By]
U.S. Patent Documents
| D284259 | June 1986 | Oury |
| 1906657 | May 1933 | Stowell |
| 2084603 | June 1937 | True |
| 2633594 | April 1953 | Robbins |
| 2856622 | October 1958 | Jacobsen |
| 3530524 | September 1970 | Clemans |
| 4667362 | May 1987 | Mattingly |
| 667749 | Mar 1952 | GB | |||
Other References
|
American Bicyclist & Motorcylist, Jan. 1957, "Industrial" Handle Bar Grip.. |
Primary Examiner: Burke; Wallace R.
Assistant Examiner: Tabor; Lavone D.
Attorney, Agent or Firm: Reams; Radford M. Houser; H. Neil
Description
FIG. 1 is a top, front, and side perspective view of a scraper to clean the fins of heat exchangers or the like showing my new design;
FIG. 2 is side elevational view taken along line 2--2 of FIG. 1;
FIG. 3 is a bottom plan view thereof; and
FIG. 4 is a rear elevational view taken along line 4--4 of FIG. 1.
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