Classifications

• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06C—LADDERS
  • E06C1/00—Ladders in general
  • E06C1/02—Ladders in general with rigid longitudinal member or members
  • E06C1/14—Ladders capable of standing by themselves
  • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
  • B41J17/00—Mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
  • B41L1/00—Devices for performing operations in connection with manifolding by means of pressure-sensitive layers or intermediaries, e.g. carbons; Accessories for manifolding purposes
  • B41L1/16—Carriers or supply devices for pressure-sensitive material, e.g. for carbon sheets; Carbon gloves

Applications Claiming Priority (1)

Publications (1)

Family

ID=23887123

Family Applications (1)

Country Status (2)

Families Citing this family (1)

• 0
  • BE BE394555D patent/BE394555A/xx unknown
• 1930
  • 1930-08-14 US US475335A patent/US1850236A/en not_active Expired - Lifetime

Also Published As

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