Retention washer
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.
Referenced Cited
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 |
Patent History
Patent number: D287938
Type: Grant
Filed: Jun 15, 1984
Date of Patent: Jan 27, 1987
Inventor: Isaac Sachs (Chomedey, Laval, Quebec)
Primary Examiner: Bernard Ansher
Assistant Examiner: Linda Titolo
Attorneys: Robert Mitchell, Guy Houle, Paul Marcoux
Application Number: 6/621,098
Type: Grant
Filed: Jun 15, 1984
Date of Patent: Jan 27, 1987
Inventor: Isaac Sachs (Chomedey, Laval, Quebec)
Primary Examiner: Bernard Ansher
Assistant Examiner: Linda Titolo
Attorneys: Robert Mitchell, Guy Houle, Paul Marcoux
Application Number: 6/621,098
Classifications
Current U.S. Class:
D/9439;
D/9440;
D/9443