Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D27/00—Envelopes or like essentially-rectangular flexible containers for postal or other purposes having no structural provision for thickness of contents
  • B65D27/12—Closures
  • B65D27/30—Closures with special means for indicating unauthorised opening
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
  • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
  • B42D15/00—Printed matter of special format or style not otherwise provided for
  • B42D15/02—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets
  • B42D15/04—Foldable or multi-part cards or sheets
  • B42D15/08—Letter-cards or letter-sheets, i.e. cards or sheets each of which is to be folded with the message inside and to serve as its own envelope for mailing
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
  • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
  • B43M5/00—Devices for closing envelopes

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Processing Of Solid Wastes (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=3678444

Family Applications (1)

Country Status (3)

• 0
  • NL NL27596D patent/NL27596C/xx active
  • BE BE354881D patent/BE354881A/fr unknown
• 1928
  • 1928-10-16 FR FR662382D patent/FR662382A/fr not_active Expired

Also Published As

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