D-O Trademark
        
        
          
Trademark Overview
          
          On Friday, June 29, 1956, a trademark application was filed for D-O with the United States Patent and Trademark Office. The USPTO has given the D-O trademark a serial number of 72011236. The federal status of this trademark filing is EXPIRED as of Tuesday, January 20, 1998. This trademark is owned by DORR-OLIVER INCORPORATED. The D-O trademark is filed in the Machinery Products category with the following description:
APPARATUS FOR DISPERSING GASE INTO LIQUIDS
        
        
          General Information
          
          
          	| Serial Number | 72011236 | 
			| Word Mark | D-O | 
            | Filing Date | Friday, June 29, 1956 | 
			| Status | 900 - EXPIRED | 
			| Status Date | Tuesday, January 20, 1998 | 
            | Registration Number | 0644166 | 
            | Registration Date | Tuesday, April 16, 1957 | 
            | Mark Drawing | 1000 - Typeset: Word(s) / letter(s) / number(s) | 
            | Published for Opposition Date | NOT AVAILABLE | 
          
         
        
          Trademark Statements
          
		  
            | Goods and Services | APPARATUS FOR DISPERSING GASE INTO LIQUIDS | 
| Pseudo Mark | DO | 
          
         
        
          Classification Information
          
		  | 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 | Tuesday, January 20, 1998 | 
| Primary Code | 023 | 
| First Use Anywhere Date | Wednesday, May 23, 1956 | 
| First Use In Commerce Date | Wednesday, May 23, 1956 | 
         
        
          Trademark Owner History
          
		  | Party Name | DORR-OLIVER INCORPORATED | 
| Party Type | 30 - Original Registrant | 
| Legal Entity Type | 03 - Corporation | 
| Address | STAMFORD, CT | 
         
        
          Trademark Events
          
		  
          	| Event Date | Event Description | 
            | Tuesday, January 20, 1998 | EXPIRED SEC. 9 | 
| Saturday, April 16, 1977 | REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS) |