US Patent: 4,413,417 
 | 
| Adjustable Angle Plate
 | 
| 
	        Patentee:
		   |  
|
 | Joseph R. Esposito (exact or similar names) - Syracuse, Onondaga County, NY |  
 
 
 
 
 
| Manufacturer: |  
| Not known to have been produced |  
 
 
 
 | 
| 
        Patent Dates:
         |  
| Applied: | 
Mar. 29, 1982 | 
 
| Granted: | 
Nov. 08, 1983 | 
 
 
 
USPTO (New site tip) Google Patents 
			Report data errors or omissions to steward 
                        Joel Havens 
 | 
| 
        Description: |  
| Abstract:
An adjustable toolmaker's square that includes a one piece body having a pair of legs containing flat accurately machined reference surfaces that meet at an angle that is slightly less than 90 degrees to form a corner. One of the legs forms the base of the device and has a laterally extended groove formed therein in which a slide is movably received. The slide has a bearing surface that can be raised and lowered in regard to the base reference surface whereby the square is pivoted about the corner when it is resting upon a surface plate or the like whereby the other reference surface can be accurately positioned against a workpiece or the like. |  
  |