Two-chamber envelope package
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United States of America Patent
Stats
-
Jan 26, 1982
Grant Date -
N/A
app pub date -
Mar 11, 1980
filing date -
Mar 23, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A two-chamber flat envelope for packaging various goods is proposed, the chambers of which can be opened uniformly for the purpose of filling. The envelope having two outer walls and a separating partition has plural seams at the edges of the walls joining these walls to one another. Furthermore the envelope has a first seam, which joins the partition to the first outer wall, and a second seam, which joins the partition to the other outer wall, each being located at a predetermined distance from one side seam.
First Claim
Family
International Classification(s)
Cited Art Landscape
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