| Serial Number | 71550105 |
| Word Mark | DUO SEAL |
| Filing Date | Wednesday, February 18, 1948 |
| Status | 900 - EXPIRED |
| Status Date | Saturday, February 23, 2002 |
| Registration Number | 0537570 |
| Registration Date | Tuesday, February 13, 1951 |
| Mark Drawing | 5S15 - Drawing with word(s) / letter(s) / number(s) in Stylized form |
| Published for Opposition Date | NOT AVAILABLE |
| Disclaimer | THE WORD "SEAL" IS DISCLAIMED APART FROM THE MARK AS SHOWN. |
| Goods and Services | VACUUM PUMPS, PARTICULARLY PUMPS FOR THE CREATION OF HIGH VACUUM CONDITIONS IN LABORATORY EXPERIMENTAL AND TESTING OPERATIONS, ALSO FOR THE EVACUATION OF VARIOUS ELECTRONIC DEVICES AND LARGER SYSTEMS, FOR DIFFUSING AND VAPOR REMOVING OPERATIONS IN CHEMICAL PROCESSING AND FOR INDUSTRIAL EVACUATION IN GENERAL |
| International Class | 007 - Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs. |
| US Class Codes | 023 |
| Class Status Code | 9 - Expired |
| Class Status Date | Saturday, February 23, 2002 |
| Primary Code | 023 |
| First Use Anywhere Date | Thursday, November 30, 1933 |
| First Use In Commerce Date | Thursday, November 30, 1933 |
| Party Name | WELCH VACUUM TECHNOLOGY, INC. |
| Party Type | 42 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | SKOKIE, IL 60077 |
| Party Name | W. M. WELCH MANUFACTURING COMPANY |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | CHICAGO, IL |
| Event Date | Event Description |
| Saturday, February 23, 2002 | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 |
| Tuesday, August 6, 1991 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Wednesday, July 24, 1991 | RESPONSE RECEIVED TO POST REG. ACTION |
| Thursday, April 11, 1991 | POST REGISTRATION ACTION MAILED - SEC. 9 |
| Wednesday, February 13, 1991 | REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8 |
| Saturday, February 13, 1971 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |