U.S. patent number D262,864 [Application Number 06/070,570] was granted by the patent office on 1982-02-02 for screw anchor.
This patent grant is currently assigned to Illinois Tool Works Inc.. Invention is credited to David C. Boyer, John N. Schavilje.
United States Patent |
D262,864 |
Schavilje , et al. |
February 2, 1982 |
Screw anchor
Claims
The ornamental design for a screw anchor, as shown.
Inventors: |
Schavilje; John N. (Mt.
Prospect, IL), Boyer; David C. (Chicago, IL) |
Assignee: |
Illinois Tool Works Inc.
(Chicago, IL)
|
Appl.
No.: |
06/070,570 |
Filed: |
October 9, 1979 |
Current U.S.
Class: |
D8/385 |
Current International
Class: |
D0808 |
Field of
Search: |
;D8/382,385,386
;411/44,57,59,63-65,71 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
|
|
|
|
|
|
|
2436001 |
|
Oct 1975 |
|
DE |
|
819041 |
|
Jun 1937 |
|
FR |
|
140848 |
|
Sep 1930 |
|
CH |
|
Primary Examiner: Bullock; B. J.
Attorney, Agent or Firm: Halvorsen; J. R. Buckman; T. W.
Description
FIG. 1 is a top perspective view of a screw anchor showing our 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.
* * * * *