Lock washer
Frieberg April 13, 1
U.S. patent number D263,792 [Application Number 06/131,938] was granted by the patent office on 1982-04-13 for lock washer. Invention is credited to Bengt O. Frieberg.
| United States Patent | D263,792 |
| Frieberg | April 13, 1982 |
Lock washer
Claims
The ornamental design for a lock washer, as shown and described.
| Inventors: | Frieberg; Bengt O. (La Habra Heights, CA) |
|---|---|
| Appl. No.: | 06/131,938 |
| Filed: | March 21, 1980 |
| Current U.S. Class: | D8/399 |
| Current International Class: | D0808 |
| Field of Search: | ;D8/394-399 ;D23/47 ;411/145,146,371,427,428,436,437,531,533,537,538,542,545-547 |
References Cited [Referenced By]
U.S. Patent Documents
| D26801 | March 1897 | Spear |
| D32218 | February 1900 | Dougherty |
| 797925 | August 1905 | Thomas |
| 920947 | May 1909 | Gilmore |
Attorney, Agent or Firm: LoJacono; Francis X.
Description
FIG. 1 is a perspective view of a lock washer, showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a bottom plan view thereof.
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