Patent search ap:("CHAMPION FIBRE COMPANY") AND inv:"WHILTING JR WILLIAM S" Page 1

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发明授权
Cone manufacture 失效
Title translation: 圆锥制造

公开(公告)号：US2056636A

公开(公告)日：1936-10-06

申请号：US73313834

申请日：1934-06-29

Applicant: CHAMPION FIBRE COMPANY

Inventor： WHILTING JR WILLIAM S

IPC: B31B25/00 , B65D3/06

CPC classification number: B65D3/06 , B31B70/26 , B31B2150/00 , B31B2160/30 , Y10T29/49794 , Y10T156/1075

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