U.S. patent number D263,927 [Application Number 06/092,159] was granted by the patent office on 1982-04-20 for roof insulation washer.
This patent grant is currently assigned to Illinois Tool Works Inc.. Invention is credited to George G. Dewey.
United States Patent |
D263,927 |
Dewey |
April 20, 1982 |
Roof insulation washer
Claims
The ornamental design for a roof insulation washer, as shown.
Inventors: |
Dewey; George G. (Prospect
Heights, IL) |
Assignee: |
Illinois Tool Works Inc.
(Chicago, IL)
|
Appl.
No.: |
06/092,159 |
Filed: |
November 7, 1979 |
Current U.S.
Class: |
D8/399; 411/531;
D8/354 |
Current International
Class: |
D0808 |
Field of
Search: |
;D8/394-399,354 ;405/259
;52/698 ;411/371,427,428,436,437,531,533,537,538,542,545-547
;D7/45 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
Primary Examiner: Bullock; B. J.
Attorney, Agent or Firm: Buckman; Thomas W.
Description
FIG. 1 is an isometric view of a roof insulation washer showing my
new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a sectional view taken in the direction of the arrows on
line 3--3 of FIG. 2.
* * * * *