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					| Patent    D283537 |  
					| Priority Jul 20 1983 |  
					| Filed Jul 20 1983 |  
					| Issued Apr 22 1986 |  
					| Expiry Apr 22 2000 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 1 |  
					 | 10 |  
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						  n/a |  
						 
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			  The ornamental design for a filter bag tensioning spacer, as shown and described. | 
 
	
FIG. 1 is a top plan view of a filter bag tensioning showing my new design;
FIG. 2 is a side elevational view thereof, the opposite side being a mirror
image of the side shown;
FIG. 3 is a bottom plan view thereof; and
FIG. 4 is another side elevational view taken 90 degrees to the left of
FIG. 2, the opposite side being essentially the same as the side shown.
	
	Mace, Robert E.
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | ER4409, |  |  |  | 
	
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 2014298, |  |  |  | 
    
	 | 2959247, |  |  |  | 
    
	 | 2981368, |  |  |  | 
    
	 | 3277634, |  |  |  | 
    
	 | 3881673, |  |  |  | 
    
	 | 4113455, | Dec 21 1977 | The Air Preheater Company, Inc. | Bag tensioning arrangement | 
    
	 | 4303424, | Sep 08 1980 | ABB ALSTOM POWER INC | Filter bag apparatus having an improved fabric filter bag tensioning apparatus | 
    
	 | 4364758, | Aug 10 1981 | BHA GROUP HOLDINGS, INC | Self tensioning cap for bag filters | 
    
	 | 4396408, | Jan 22 1982 | BHA GROUP HOLDINGS, INC | Method and apparatus for tensioning bag filters | 
    
	 | D268947, | Nov 24 1980 | BHA GROUP HOLDINGS, INC | Tensioning cap for a bag filter | 
	
	
	
	  
	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  | Jul 18 1983 | MACE, ROBERT E | STANDARD HAVENS, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 004215/ | 0567 | pdf | 
    
| Jul 20 1983 |  | Standard Havens, Inc. | (assignment on the face of the patent) | / |  | 
    
| Jan 12 1987 | STANDARD HAVENS, INC , A MO  CORP | BHA GROUP, INC , 8800 E  63RD STREET, KANSAS CITY, MISSOURI 64133, A CORP  OF DE | ASSIGNS NUNC PRO TUNC AS OF JULY 31, 1986 ALL RIGHT, TITLE AND INTEREST IN SAID PATENTS | 004654/ | 0209 | pdf | 
    
| Feb 18 1997 | BHA Group, Inc | BHA GROUP HOLDINGS, INC | CHANGE OF NAME  SEE DOCUMENT FOR DETAILS | 008639/ | 0666 | pdf | 
    
	
	
	
	  
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