Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
  • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
  • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
  • B43L13/24—Devices for generating stepwise movements of drawing equipment, e.g. for hatching

Applications Claiming Priority (1)

Publications (1)

Family

ID=19865130

Family Applications (1)

Country Status (2)

• 0
  • NL NL62910D patent/NL62910C/xx active
• 1947
  • 1947-02-13 FR FR941479D patent/FR941479A/fr not_active Expired

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