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Indent Level
Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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BENDING; COOPERAGE; WHEEL-MAKING
Bending wood stock, e.g. boards
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Manufacture of constructional elements of tubes, coops, or barrels (assembly, e.g. coopering, B27H 5/00)
B27H 3/02
.
Manufacture of barrel staves
B27H 3/04
.
Manufacture of barrel heads or casings
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Manufacture of tubes, coops, or barrels (from veneer strips or sheets B27D 1/00)
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B27H 5/02
.
Building up with staves
B27H 5/04
. .
Forming staves into the final shape and assembling same
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B27H 5/08
.
Finishing barrels, e.g. cutting grooves
B27H 5/10
. .
Trussing or hooping barrels
B27H 5/12
. .
Making bungs from wood; Drilling or reaming bung holes
Manufacture of wood-rimmed wheels, e.g. cart wheels, steering wheels
{
B23B 3/265, B23B 5/38, B23B 41/06 take precedence
}
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013