US PATENT SUBCLASS 413 / 13
.~.~.~ Forming user lip guard

Current as of: June, 1999
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413 /   HD   SHEET METAL CONTAINER MAKING

1  DF  METHOD {3}
8  DF  .~ Forming or treating metallic closure {9}
12  DF  .~.~ Fabricating or assembling member having frangible portion (e.g., tear tab forming) {3}
13.~.~.~ Forming user lip guard

DEFINITION

Classification: 413/13

Forming user lip guard:

(under subclass 12) Processes including providing a edge or portion to protect the user's mouth against injury from any rough edge produced when the weakened portion is broken.