Lock washer
Description
FIG. 1 is a top-plan view of a lock washer, showing my new design;
FIG. 2 is a cross-sectional view taken along line 2--2 of FIG. 1;
FIG. 3 is a side-elevational view thereof; and
FIG. 4 is a bottom-plan view thereof.
Referenced Cited
U.S. Patent Documents
613630 | November 1898 | Himes |
1041832 | October 1912 | Martin |
2922454 | January 1960 | Vossloh |
3221792 | December 1965 | Poupitch |
Patent History
Patent number: D263791
Type: Grant
Filed: Jan 28, 1980
Date of Patent: Apr 13, 1982
Inventor: Bengt O. Frieberg (La Habra Heights, CA)
Primary Examiner: A. Hugo Word
Attorney: Francis X. LoJacono
Application Number: 6/116,105
Type: Grant
Filed: Jan 28, 1980
Date of Patent: Apr 13, 1982
Inventor: Bengt O. Frieberg (La Habra Heights, CA)
Primary Examiner: A. Hugo Word
Attorney: Francis X. LoJacono
Application Number: 6/116,105
Classifications
Current U.S. Class:
D/8399
International Classification: D0808;
International Classification: D0808;