Patent
   D331961
Priority
Oct 30 1990
Filed
Apr 19 1991
Issued
Dec 22 1992
Expiry
Dec 22 2006
Assg.orig
Entity
unknown
10
5
n/a
The ornamental design for a combined filter and regulator unit for pneumatic circuits, as shown and described.

FIG. 1 is a top, rear and left side perspective view of a combined filter and regulator unit for pneumatic circuits showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a top, front and left side perspective view of a combined filter and regulator unit for pneumatic circuits showing a second embodiment of our new design;

FIG. 8 is a top, front and right side perspective view of FIG. 6;

FIG. 9 is a top rear and right side perspective view of FIG. 6;

FIG. 10 is an enlarged top plan view of FIG. 6;

FIG. 11 is an enlarged bottom plan view of FIG. 6; and,

FIG. 12 is a rear elevational view of FIG. 6.

Ridolfi, Carlos E., Ridolfi, Higinio B.

Patent Priority Assignee Title
D377522, Mar 31 1995 CKD Kabushiki kaisha Gas feeder
D402023, Apr 08 1997 FESTO AG & CO KG Filter regulator unit
D664637, Nov 08 2011 Air Distribution Technologies IP, LLC Indicator for a damper inside the duct work for an HVAC system
D853526, Oct 11 2016 SMC Corporation Filter regulator
D854126, Oct 11 2016 SMC Corporation Filter regulator
D890898, Jan 09 2018 Synexis LLC Device for producing non-hydrated purified hydrogen peroxide gas
D960290, Dec 26 2019 SMC Corporation Filter
D965099, Sep 25 2020 SMC Corporation Filter
D965100, Sep 25 2020 SMC Corporation Filter
D980383, Jan 07 2020 SMC Corporation Filter
Patent Priority Assignee Title
4889544, Jan 09 1989 NECO TECHNOLOGIES, INC Cooler-dehumidifier-filter 3-in-one apparatus for treating compressed air
4957516, Oct 22 1987 Reading Technologies, Inc. Inverse flow depth filter assembly
130447,
D295674, Feb 05 1986 CKD KABUSHIKI KAISHA CKD CORPORATION , 3005, AZA HAYASAKI, OAZA KITATOYAMA, KOMAKI-SHI, AICHI-KEN, JAPAN A CORP OF JAPAN Air-filter
D308571, Sep 19 1986 Metal Work S.p.A. Combined filter, regulator, and lubricator for the flow of compressed air
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule