Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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
Einrichtung zur beobachtungsmoeglichkeit und ggf. erhaltung von rollennummern, wasserzeichen, gummi, gummiriffelung, seidenfaden u. dgl. bei briefmarken auf fuer die postbefoerderung beweiskraeftigen briefumschlaegen, postkarten usw.