Patent
   D281525
Priority
Aug 07 1981
Filed
Dec 28 1981
Issued
Nov 26 1985
Expiry
Nov 26 1999
Assg.orig
Entity
unknown
10
8
n/a
The ornamental design for a resilient ring for fluid coypling, substantially as shown and described.

FIG. 1 is a side elevational view of a resilient ring for fluid coupling showing my new design;

FIG. 2 is a cross-sectional view thereof taken on line 2--2 of FIG. 3;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

The design is characterized by two concentric tapered portions having different degrees of taper and which are axially separated by a concentric cylindrical portion.

Gilbert, Robert W.

Patent Priority Assignee Title
D292308, Jun 13 1984 Fastening ring for fluid valve
D322120, Feb 10 1986 Forsheda AB Sealing ring
D326710, Mar 21 1989 Vassallo Research & Development Corp. Gasket
D330073, Mar 21 1989 Vassallo Research & Development Corp. Gasket
D347885, Apr 18 1990 FORSHEDA AB, A CORP OF SWEDEN Sealing ring for sealing jointed pipes
D379493, Dec 19 1994 Greene, Tweed of Delaware, Inc. Gasket seal
D399932, Sep 03 1996 Sloan Valve Company Flushometer seal
D856498, Jan 31 2013 SPM OIL & GAS INC Valve seat
D884130, Apr 15 1997 Swagelok Company Back ferrule
ER4072,
Patent Priority Assignee Title
2330197,
3392984,
3446507,
3595572,
3719366,
3970321, Dec 19 1973 Dynamic-static shaft seal
4143586, Oct 28 1975 MACROTECH POLYSEAL, INC Mud pump piston
44533,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 08 1981GILBERT, ROBERT W MINING SUPPLIES MINSUP PTY LTD ,ASSIGNMENT OF ASSIGNORS INTEREST 0039710414 pdf
Dec 28 1981Mining Supplies (Minsup) Pty. Ltd.(assignment on the face of the patent)
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