Patent
   D334198
Priority
Aug 30 1989
Filed
Feb 28 1990
Issued
Mar 23 1993
Expiry
Mar 23 2007
Assg.orig
Entity
unknown
7
4
n/a
The ornamental design for an air cylinder, as shown and described.

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

FIG. 2 is a rear elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a right, front and top perspective view;

FIG. 6 is a right side elevational view of an air cylinder showing a second embodiment of my new design, the only difference from the embodiment shown in FIGS. 1 through 5 being the variation in length;

FIG. 7 is a right side elevational view of an air cylinder showing a third embodiment of my new design, the only difference from the embodiment shown in FIGS. 1 through 5 being the variation in length;

FIG. 8 is a top plan view of FIG. 1;

FIG. 9 is a bottom plan view of FIG. 1;

FIG. 10 is a cross sectional view taken along lines 10--10 of FIG. 3; and,

FIG. 11 is a cross sectional view taken along lines 11--11 of FIG. 1.

Aizawa, Akira

Patent Priority Assignee Title
D369610, Oct 07 1993 SMC Corporation Air cylinder
D370683, Jul 05 1995 Ingersoll-Rand Company Pneumatic cylinder
D373364, Nov 30 1994 SMC Corporation Rodless cylinder
D376603, Oct 07 1993 SMC Corporation Air cylinder
D454575, Jul 25 2000 HOWA MACHINERY, LTD Cylinder tube for clamp cylinder
D916018, Aug 20 2018 MINNICH MANUFACTURING COMPANY, INC. Concrete vibrator cage
D987570, Aug 20 2018 MINNICH MANUFACTURING COMPANY, INC. Concrete vibrator end cap
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
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 28 1990SMC Corporation(assignment on the face of the patent)
Mar 20 1990AIZAWA, AKIRASMC CorporationASSIGNMENT OF ASSIGNORS INTEREST 0063350128 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule