U.S. patent number D396,098 [Application Number D/064,621] was granted by the patent office on 1998-07-14 for conical filter.
This patent grant is currently assigned to Donaldson Company, Inc.. Invention is credited to Steven A. Carter, Gary R. Gillingham, Daniel T. Risch, Jim C. Rothman, Joseph C. Tokar, Wayne M. Wagner.
United States Patent |
D396,098 |
Gillingham , et al. |
July 14, 1998 |
Conical filter
Claims
The ornamental design for a conical filter, as shown and described.
Inventors: |
Gillingham; Gary R. (Prior
Lake, MN), Wagner; Wayne M. (Apple Valley, MN), Tokar;
Joseph C. (Apple Valley, MN), Risch; Daniel T.
(Burnsville, MN), Rothman; Jim C. (Burnsville, MN),
Carter; Steven A. (Eagan, MN) |
Assignee: |
Donaldson Company, Inc.
(Minneapolis, MN)
|
Family
ID: |
58212831 |
Appl.
No.: |
D/064,621 |
Filed: |
January 7, 1997 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
Issue Date |
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53683 |
Apr 26, 1996 |
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Current U.S.
Class: |
D23/365 |
Current CPC
Class: |
B01D46/527 20130101;
B01D2275/206 20130101; B01D2275/201 20130101 |
Current International
Class: |
2304 |
Field of
Search: |
;D23/365
;210/439,484,493.4 ;55/498 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
Primary Examiner: Lichtenstein; Lisa
Attorney, Agent or Firm: Merchant, Gould, Smith, Edell,
Welter & Schmidt
Description
FIG. 1 shows a perspective view of a conical filter, showing our
new design;
FIG. 2 shows a bottom perspective view of the filter device shown
in FIG. 1;
FIG. 3 shows a side elevational view of the filter device shown in
FIG. 1;
FIG. 4 shows a top plan view of the filter device shown in FIG.
1;
FIG. 5 shows a bottom plan view of the filter device shown in FIG.
1;
FIG. 6 shows a cross-sectional view thereof taken along line 6--6
in FIG. 1;
FIG. 7 shows a perspective view of a conical filter showing a
second embodiment of our new design;
FIG. 8 shows a bottom perspective view of the filter device shown
in FIG. 7;
FIG. 9 shows a side elevational view of the filter device shown in
FIG. 7;
FIG. 10 shows a top plan view of the filter device shown in FIG.
7;
FIG. 11 shows a bottom plan view of the filter device shown in FIG.
7;
FIG. 12 shows a cross-sectional view thereof, taken along line
12--12 in FIG. 7;
FIG. 13 shows a perspective view of a conical filter showing a
third embodiment of our new design;
FIG. 14 shows a bottom perspective view of the filter device shown
in FIG. 13;
FIG. 15 shows a side elevational view of the filter device shown in
FIG. 13;
FIG. 16 shows a top plan view of the filter device shown in FIG.
13;
FIG. 17 shows a bottom plan view of the filter device shown in FIG.
13; and,
FIG. 18 shows a cross-sectional view thereof, taken along line
18--18 in FIG. 13.
The sole difference between the three embodiments resides in the
appearance of the size of the diameter.
* * * * *