U.S. patent number D343,682 [Application Number 07/801,088] was granted by the patent office on 1994-01-25 for vacuum filter flask.
This patent grant is currently assigned to Corning Incorporated. Invention is credited to Henry L. Cattaoris, Michael A. Dyda, Dennis M. O'Connell, Frederick B. Takatori.
United States Patent |
D343,682 |
Cattaoris , et al. |
January 25, 1994 |
**Please see images for:
( Certificate of Correction ) ** |
Vacuum filter flask
Claims
The ornamental design for a vacuum filter flask, as shown and
described.
Inventors: |
Cattaoris; Henry L. (Otego,
NY), Dyda; Michael A. (Oneonta, NY), O'Connell; Dennis
M. (Corning, NY), Takatori; Frederick B. (Canyon
Country, CA) |
Assignee: |
Corning Incorporated (Corning,
NY)
|
Appl.
No.: |
07/801,088 |
Filed: |
December 2, 1991 |
Current U.S.
Class: |
D24/162 |
Field of
Search: |
;210/455,446,445,477,472-474,406,232,321.75,321.84,433.2 ;D24/162
;D23/4 |
References Cited
[Referenced By]
U.S. Patent Documents
Other References
The Fisher Catalog '91/'92, Filter Flasks, pp. 758-759..
|
Primary Examiner: Reid; Stella
Attorney, Agent or Firm: Leslie; Brian R. Michaelsen; Alfred
L.
Description
FIG. 1 is a top view of the disclosed vacuum filter flask;
FIG. 2 is a front view of the disclosed vacuum filter flask;
FIG. 3 is a side view of the disclosed vacuum filter flask;
FIG. 4 is an opposite side view of the disclosed vacuum filter
flask, the back of the disclosed vacuum filter flask is a mirror
image of FIG. 2;
FIG. 5 is a bottom view of the disclosed vacuum filter flask;
FIG. 6 is a broken away cross-sectional view of the lower portion
of the disclosed vacuum filter flask;
FIG. 7 is a top view of the disclosed vacuum filter flask having
the cover and filter element removed; and,
FIG. 8 is a broken away cross-sectional view of the middle portion
of the disclosed vacuum filter flask.
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