Patent
   D514141
Priority
Dec 16 2003
Filed
Dec 16 2003
Issued
Jan 31 2006
Expiry
Jan 31 2020
Assg.orig
Entity
unknown
0
12
n/a
The ornamental design for a pressure sealing cup for oil and gas wells, as shown and described.

FIG. 1 is a first perspective representational view of the pressure sealing cup for oil and gas wells;

FIG. 2 is a first side view of the pressure sealing cup for oil and gas wells;

FIG. 3 is a top plan view of the pressure sealing cup for oil and gas wells;

FIG. 4 is a bottom plan view of the pressure sealing cup for oil and gas wells; and,

FIG. 5 is a second perspective view of the pressure sealing cup for oil and gas wells.

Atkins, Nicholas, Spalding, Craig, Egleton, Philip

Patent Priority Assignee Title
Patent Priority Assignee Title
1565797,
3450412,
3487753,
4081185, Jul 23 1976 Dresser Industries, Inc. Oil well swab cup
4265459, May 08 1979 Dresser Industries, Inc. Swab cup reinforcing member support
4317407, Feb 19 1980 Dresser Industries, Inc. Swab cup having an internal reinforcing member
4319518, Oct 16 1979 Well swab cups
4638726, Apr 10 1985 Continental EMSCO Company Load bearing swab cup
4771675, Nov 26 1986 Petro Rubber Hi-Tec, Inc. Swabbing apparatus
5119874, Jul 21 1989 Swab cup and swab assembly
6607031, May 03 2001 Baker Hughes Incorporated Screened boot basket/filter
20020139541,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 16 2003Rubberatkins Limited(assignment on the face of the patent)
Feb 26 2004ATKINS, NICHOLASRubberatkins LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0151230066 pdf
Feb 26 2004EGLETON, PHILIPRubberatkins LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0151230066 pdf
Feb 26 2004SPALDING, CRAIGRubberatkins LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0151230066 pdf
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