A repetitively reusable envelope closure arrangement including a pair of thin magnetic plastic patches attached by a cementing agent to at least one portion of the foldable flap of the envelope and to at least one corresponding portion of the envelope body in contact therewith such that the flap is magnetically secured in a closure position. In an alternative embodiment, finely powdered magnetic material having a high order of magnetic retentivity is magnetized in the fluid medium of a standard gum and applied to at least one of the aforementioned envelo...
A reusable paper stock envelope having a body portion and a flap foldable over said body poriton to effect closure of the interior of said envelope, comprising: a first magnetic patch set including at least one magnetic patch affixed to the underside of said flap facing said body portion when said flap is folded into said closure position; a second magnetic patch set including at least one magnetic patch affixed to said envelope body portion at a location such as to be overlapped in substantially planar contact with a corresponding magnetic patch of said...
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