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1719663
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Information
Patent Grant
1719663
References
Source
Patent Number
1,719,663
Date Filed
Not available
Date Issued
Tuesday, July 2, 1929
95 years ago
CPC
B23B51/05 - for cutting discs from sheet
B23Q1/4804 - a single rotating pair followed perpendicularly by a single sliding pair
B23Q9/0035 - and being capable of guiding the tool in a circular path
B26F1/3846 - cutting out discs or the like
B23B2260/088 - Indication scales
Y10T408/556 - Tool supporting wheel
Y10T408/8923 - Removable central lead
Y10T408/905 - Having stepped cutting edges
US Classifications
030 - Cutlery
033 - Geometrical instruments
408 - Cutting by use of rotating axially moving tool
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