US Patent: 1,469,953 
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| Snap Gauge
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	        Patentee:
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 | Carl Gabrielson (exact or similar names) - Syracuse, NY |  
 
 
 
 
 
 
 
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        Patent Dates:
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| Applied: | 
Apr. 06, 1921 | 
 
| Granted: | 
Oct. 09, 1923 | 
 
 
 
USPTO (New site tip) Google Patents 
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                        Joel Havens 
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        Description: |  
| This Snap Gage has two anvils. Usually one anvil is adjusted for the minimun size that a part can be and the other the maximun size. Every part that fits past the minimun anvil but not the maximun anvil is within tolerance at this particular dimension. |  
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