(under subclass 51) Subcombinations of devices claiming guard structure, per se. The mere specifying of the blade in the claim does not exclude the patent from this or indented subclasses.
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36, for razors provided with blade sharpening elements which also act as guards.
48, for razors having guard structures which provide a blade edge inclined to the shaving stroke of the razor.
286, for other cutter organizations having guards.