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Patent
   D368516
Priority
Aug 24 1993
Filed
Nov 12 1993
Issued
Apr 02 1996
Expiry
Apr 02 2010
Inventors
Matsumura,…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
21
References
5
Maint.:
n/a
The ornamental design for a gasket for vacuum apparatus, as shown and described.

FIG. 1 is a front view of a gasket for vacuum apparatus showing my new design, the rear being the same;

FIG. 2 is a top view, the bottom being the same;

FIG. 3 is a side view thereof; and,

FIG. 4 is a perspective view thereof.
INVENTORS:

Matsumura, Keizo

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D896353, Sep 14 2016 VALQUA, LTD Composite seal
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4268047, Apr 18 1974 Interpace Corporation Underground pipe joint with hydratable cement in polyurethane gasket
4779903, Dec 11 1984 Agintec AG Sealing ring
4802506, Jul 13 1984 Conmed Corporation Flow control device for administration of intravenous fluids
5022663, Sep 08 1988 COMMISSARIAT A L ENERGIE ATOMIQUE Metal gasket or joint provided with an extremely high unit-area pressure
33782,
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