Thermos paper cup
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 3, 1992
Grant Date -
N/A
app pub date -
Mar 8, 1991
filing date -
Mar 8, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention relates to a thermos paper cup and in particular to one provided with a plurality of air chambers between the inner side and the outer side and having a distance between the bottom and the lower edge so as to separate the contents from the outside thereby keeping the contents at an unchanged temperature.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully