FR488969A - Device preventing fraudulent opening of envelopes - Google Patents

Device preventing fraudulent opening of envelopes

Info

Publication number
FR488969A
FR488969A FR488969DA FR488969A FR 488969 A FR488969 A FR 488969A FR 488969D A FR488969D A FR 488969DA FR 488969 A FR488969 A FR 488969A
Authority
FR
France
Prior art keywords
envelopes
device preventing
preventing fraudulent
fraudulent opening
opening
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Joao-Fernandes Amaral
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JOAO-FERNANDES AMARAL
Original Assignee
JOAO-FERNANDES AMARAL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JOAO-FERNANDES AMARAL filed Critical JOAO-FERNANDES AMARAL
Application granted granted Critical
Publication of FR488969A publication Critical patent/FR488969A/en
Expired legal-status Critical Current

Links

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 containers for postal or other purposes having no structural provision for thickness of contents
    • B65D27/12—Closures
    • B65D27/20—Closures using self-locking integral or attached elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR488969D 1918-02-19 1918-02-19 Device preventing fraudulent opening of envelopes Expired FR488969A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR488969T 1918-02-19

Publications (1)

Publication Number Publication Date
FR488969A true FR488969A (en) 1918-12-03

Family

ID=1525266

Family Applications (1)

Application Number Title Priority Date Filing Date
FR488969D Expired FR488969A (en) 1918-02-19 1918-02-19 Device preventing fraudulent opening of envelopes

Country Status (1)

Country Link
FR (1) FR488969A (en)

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