Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B27
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
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B27F
DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
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1/00
Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
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B27F1/02
Making tongues or grooves, of indefinite length
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B27F1/04
along only one edge of a board
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