Lock washer
Frieberg April 13, 1
U.S. patent number D263,791 [Application Number 06/116,105] was granted by the patent office on 1982-04-13 for lock washer. Invention is credited to Bengt O. Frieberg.
| United States Patent | D263,791 |
| Frieberg | April 13, 1982 |
Lock washer
Claims
The ornamental design for a lock washer, as shown.
| Inventors: | Frieberg; Bengt O. (La Habra Heights, CA) |
|---|---|
| Appl. No.: | 06/116,105 |
| Filed: | January 28, 1980 |
| Current U.S. Class: | D8/399 |
| Current International Class: | D0808 |
| Field of Search: | ;411/313,314,315,511,514,545 ;D8/399 |
References Cited [Referenced By]
U.S. Patent Documents
| 613630 | November 1898 | Himes |
| 1041832 | October 1912 | Martin |
| 2922454 | January 1960 | Vossloh |
| 3221792 | December 1965 | Poupitch |
Attorney, Agent or Firm: LoJacono; Francis X.
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.
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