Patent
   D318318
Priority
Apr 18 1988
Filed
Apr 18 1988
Issued
Jul 16 1991
Expiry
Jul 16 2005
Assg.orig
Entity
unknown
9
13
n/a
The ornamental design for a gas pressure regulator, as shown and described.

FIG. 1 is a front elevational view of a gas pressure regulator showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image of the left side shown;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a front elevational view of a second embodiment thereof;

FIG. 6 is a rear elevational view of FIG. 5;

FIG. 7 is a left side elevational view of FIG. 5, the right side being a mirror image of the left side shown; and

FIG. 8 is a top plan view of FIG. 5.

Anderson, David G., Datta, Bishnu P.

Patent Priority Assignee Title
6152158, Mar 26 1999 Gaseous wave pressure regulator and its energy recovery system
D360677, Mar 01 1994 Fluke Corporation Pressure module
D674469, Mar 11 2009 Victor Equipment Company Gas pressure regulator
D678476, Jul 09 2010 Air supply unit
D698010, Jan 29 2013 Victor Equipment Company Gas pressure regulator
D821302, Jun 19 2015 DAYCO IP Holdings, LLC Venturi device
D850584, May 03 2017 Gas flow regulator
ER2839,
ER7926,
Patent Priority Assignee Title
2747607,
3547143,
3911948,
4450858, May 08 1980 ESAB AB, A SWEDISH CORP Gas pressure reducing regulator
4489751, Jan 07 1983 ESAB AB, A SWEDISH CORP Pressure reducing regulator for oxygen service
153063,
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D291231, Dec 27 1984 ESAB AB, A SWEDISH CORP Pressure regulator
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 18 1988L-Tec(assignment on the face of the patent)
Apr 28 1988DATTA, BISHNU P L-TecASSIGNMENT OF ASSIGNORS INTEREST 0048860396 pdf
Apr 28 1988ANDERSON, DAVID G L-TecASSIGNMENT OF ASSIGNORS INTEREST 0048860396 pdf
Oct 30 1990L-TEC CompanyESAB AB, A SWEDISH CORP ASSIGNMENT OF ASSIGNORS INTEREST 0054910029 pdf
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