U.S. patent number D268,566 [Application Number 06/305,928] was granted by the patent office on 1983-04-12 for reversible lock washer.
Invention is credited to Bengt O. Frieberg.
United States Patent |
D268,566 |
Frieberg |
April 12, 1983 |
Reversible lock washer
Claims
The ornamental design for a reversible lock washer, as shown and
described.
Inventors: |
Frieberg; Bengt O. (La Habra
Heights, CA) |
Appl.
No.: |
06/305,928 |
Filed: |
September 28, 1981 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
Issue Date |
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180410 |
Aug 22, 1980 |
Des. 263679 |
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Current U.S.
Class: |
D8/399 |
Current International
Class: |
D0808 |
Field of
Search: |
;D8/394-399 ;D23/47
;411/145,146,371,427,428,436,531,533,537,538,542,545-547 |
References Cited
[Referenced By]
U.S. Patent Documents
Other References
Bradley Hardware Cat. 41; p. 163; Wrought Brass Washer (middle
left)..
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Primary Examiner: Bullock; B. J.
Attorney, Agent or Firm: LoJacono; Francis X.
Description
FIG. 1 is a top perspective view of a reversible lock washer,
showing my new design;
FIG. 2 is a bottom-plan view thereof; and
FIG. 3 is an enlarged fragmentary-sectional view taken in the
direction of the arrows on line 3--3 of FIG. 1.
* * * * *