Retention washer
Sachs January 27, 1
U.S. patent number D287,938 [Application Number 06/621,098] was granted by the patent office on 1987-01-27 for retention washer. Invention is credited to Isaac Sachs.
| United States Patent | D287,938 |
| Sachs | January 27, 1987 |
Retention washer
Claims
The ornamental design for a retention washer, as shown.
| Inventors: | Sachs; Isaac (Chomedey, Laval, Quebec, CA) |
|---|---|
| Appl. No.: | 06/621,098 |
| Filed: | June 15, 1984 |
| Current U.S. Class: | D9/439; D9/440; D9/443 |
| Field of Search: | ;D9/435,439,440 ;215/317,316 ;D20/22 ;220/DIG.19,352 |
References Cited [Referenced By]
U.S. Patent Documents
| 3671 | September 1869 | Livingston |
| D25819 | July 1896 | Foster |
| D34955 | August 1901 | Thatcher |
| D177731 | May 1956 | Hurley |
| D178961 | October 1956 | James |
| D241018 | August 1976 | Amicis |
| 1432252 | October 1922 | Leicht |
| 2704100 | March 1955 | Freeman |
Assistant Examiner: Titolo; Linda
Attorney, Agent or Firm: Mitchell; Robert Houle; Guy Marcoux; Paul
Description
FIG. 1 is a top rear perspective view of a retention washer, showing my new design;
FIG. 2 is a bottom right side perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a front elevational view thereof; and
FIG. 7 is a bottom plan view thereof.
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