Metal tools and implements – making – Blank or process – Die
Reexamination Certificate
2007-10-23
2007-10-23
Payer, Hwei-Siu C. (Department: 3724)
Metal tools and implements, making
Blank or process
Die
C076S107100, C216S100000
Reexamination Certificate
active
11239162
ABSTRACT:
To obtain a push-cutting blade2,a flexible base1and a projection (trapezoid-section projection21) protruding from this base are formed by etching. Then, a lateral surface or surfaces of the projection21is cut into a vertical projection2b.Lastly, the tip of the vertical projection2bis sharpened to give a double (or single) cutting edge2a.
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Payer Hwei-Siu C.
Rader & Fishman & Grauer, PLLC
Tsukatani Hamono Mfg. Co., Ltd.
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