Corrugated metal tube
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 5, 1980
Grant Date -
N/A
app pub date -
May 12, 1978
filing date -
May 12, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A corrugated metal tube are provided wherein such tube has a central longitudinal axis and comprises a single-thickness member having integral corrugations and opposed edges and the member is in tubular form with the corrugations defining substantially annular alternating radially outwardly facing projections and channels with the opposed edges being disposed immediately adjacent each other and each of the edges extending along a mean path substantially parallel to the axis with a weld fixing the edges together.
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