| Serial Number | 77394889 |
| Word Mark | CORNERSTONE ENERGY |
| Filing Date | Tuesday, February 12, 2008 |
| Status | 710 - CANCELLED - SECTION 8 |
| Status Date | Friday, August 21, 2015 |
| Registration Number | 3563466 |
| Registration Date | Tuesday, January 20, 2009 |
| Mark Drawing | 3000 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, November 4, 2008 |
| Indication of Colors claimed | Color is not claimed as a feature of the mark. |
| Disclaimer with Predetermined Text | "ENERGY" |
| Description of Mark | The mark consists of the wording "CORNERSTONE ENERGY" with a mountainside design. |
| Goods and Services | Transportation and distribution of natural gas to retail and wholesale customers |
| International Class | 039 - Transport; packaging and storage of goods; travel arrangement. |
| US Class Codes | 100, 105 |
| Class Status Code | 2 - Sec. 8 - Entire Registration |
| Class Status Date | Friday, August 21, 2015 |
| Primary Code | 039 |
| First Use Anywhere Date | Thursday, March 23, 2000 |
| First Use In Commerce Date | Thursday, March 23, 2000 |
| Party Name | EXELON CORPORATION |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | PHILADELPHIA, PA 19101 |
| Party Name | Constellation Energy Group, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Baltimore, MD 21202 |
| Party Name | Constellation Energy Group, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Baltimore, MD 21202 |
| Party Name | Constellation Energy Group, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Baltimore, MD 21202 |
| Event Date | Event Description |
| Friday, August 21, 2015 | CANCELLED SEC. 8 (6-YR) |
| Wednesday, April 4, 2012 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Tuesday, January 20, 2009 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, November 4, 2008 | PUBLISHED FOR OPPOSITION |
| Wednesday, October 15, 2008 | NOTICE OF PUBLICATION |
| Thursday, October 2, 2008 | LAW OFFICE PUBLICATION REVIEW COMPLETED |
| Thursday, October 2, 2008 | ASSIGNED TO LIE |
| Tuesday, September 23, 2008 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Monday, September 22, 2008 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Saturday, September 20, 2008 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Saturday, September 20, 2008 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Wednesday, May 28, 2008 | NON-FINAL ACTION MAILED |
| Tuesday, May 27, 2008 | NON-FINAL ACTION WRITTEN |
| Thursday, May 22, 2008 | ASSIGNED TO EXAMINER |
| Saturday, February 16, 2008 | NOTICE OF DESIGN SEARCH CODE MAILED |
| Friday, February 15, 2008 | NEW APPLICATION ENTERED IN TRAM |