Patent
   D331584
Priority
Aug 30 1989
Filed
Feb 28 1990
Issued
Dec 08 1992
Expiry
Dec 08 2006
Assg.orig
Entity
unknown
7
4
n/a
The ornamental design for an air cylinder, as shown.

FIG. 1 is a front elevational view of an air cylinder showing my new design;

FIG. 2 is a top plan view, the opposite side view being a mirror image;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a sectional view taken along the lines 5--5 of FIG. 3; and,

FIG. 6 is a perspective view.

Aizawa, Akira

Patent Priority Assignee Title
D441768, Nov 06 1997 SMC Kabushiki Kaisha Actuator body
D461827, Apr 30 2001 Eger Products, Inc. One-piece plastic protector and seal for a fluid cylinder shaft
D471563, Nov 09 2001 Nordson Corporation In line pump throat
D500505, Dec 23 2002 Nordson Corporation In line pump throat
D506210, Nov 09 2001 Nordson Corporation In line pump throat
D689524, Apr 02 2012 FESTO SE & CO KG Cylinder tube for a pneumatic cylinder
D689525, Apr 02 2012 FESTO SE & CO KG Cylinder tube for a pneumatic cylinder
Patent Priority Assignee Title
4597721, Oct 04 1985 VALCO CINCINNATI, INC. Double acting diaphragm pump with improved disassembly means
D244681, Aug 14 1975 Vapor Corporation Fluid pump or similar article
D264972, Jan 31 1980 The Coca-Cola Company; The Cornelius Company Fluid pump
D295753, Apr 28 1986 Peninsular, Inc. Air cylinder
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 28 1990SMC Corporation(assignment on the face of the patent)
Mar 20 1990AIZAWA, AKIRASMC CorporationASSIGNMENT OF ASSIGNORS INTEREST 0062310690 pdf
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