Pressure sealing cup for oil and gas wells
Latest Rubberatkins Limited Patents:
Description
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.
Claims
The ornamental design for a pressure sealing cup for oil and gas wells, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
1565797 | December 1925 | Crickmer |
3450412 | June 1969 | Collett |
3487753 | January 1970 | Blackwell |
4081185 | March 28, 1978 | Lane |
4265459 | May 5, 1981 | Greenlee et al. |
4317407 | March 2, 1982 | Blackwell |
4319518 | March 16, 1982 | Vicens |
4638726 | January 27, 1987 | Johnson et al. |
4771675 | September 20, 1988 | Grauer et al. |
5119874 | June 9, 1992 | Ferguson et al. |
6607031 | August 19, 2003 | Lynde et al. |
20020139541 | October 3, 2002 | Sheffield et al. |
- Copy of page from Weatherford-Guiberson Product Catalogue RE GW Cup-Type Packers and Cups.
Patent History
Patent number: D514141
Type: Grant
Filed: Dec 16, 2003
Date of Patent: Jan 31, 2006
Assignee: Rubberatkins Limited (Aberdeen)
Inventors: Nicholas Atkins (Banchory Aberdeen), Philip Egleton (Aberdeen), Craig Spalding (Aberdeen)
Primary Examiner: Antoine D. Davis
Attorney: Dykas, Shaver & Nipper
Application Number: 29/195,843
Type: Grant
Filed: Dec 16, 2003
Date of Patent: Jan 31, 2006
Assignee: Rubberatkins Limited (Aberdeen)
Inventors: Nicholas Atkins (Banchory Aberdeen), Philip Egleton (Aberdeen), Craig Spalding (Aberdeen)
Primary Examiner: Antoine D. Davis
Attorney: Dykas, Shaver & Nipper
Application Number: 29/195,843
Classifications
Current U.S. Class:
Element Or Attachment (D15/138)