Pressure sealing cup for oil and gas wells

Inventors
Original Assignees
- Rubberatkins Limited
Examiners
- Davis; Antoine D.
Agents
- Maughan; Derek H.
- Dykas, Shaver & Nipper

Information

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.

The ornamental design for a pressure sealing cup for oil and gas wells, as shown and described.

Number	Name	Date	Kind
1565797	Crickmer	Dec 1925	A
3450412	Collett	Jun 1969	A
3487753	Blackwell	Jan 1970	A
4081185	Lane	Mar 1978	A
4265459	Greenlee et al.	May 1981	A
4317407	Blackwell	Mar 1982	A
4319518	Vicens	Mar 1982	A
4638726	Johnson et al.	Jan 1987	A
4771675	Grauer et al.	Sep 1988	A
5119874	Ferguson et al.	Jun 1992	A
6607031	Lynde et al.	Aug 2003	B2
20020139541	Sheffield et al.	Oct 2002	A1