Prong and tang binding system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 19, 1989
Grant Date -
N/A
app pub date -
Aug 26, 1988
filing date -
Aug 26, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prong or tang-type paper sheets binding system includes a cover marginal edge on which or over which the connector base and the prongs or tangs are abutted or bent with respect to the edge. An integral imperforate edge extension is provided which is foldable over the bent prongs and any keeper and foldable over the prong base or head to cover the exposed unattractive metal components of the connector including the prongs or tangs. In a preferred embodiment a second integral edge extension which contains a slot sized to encompass the bent prongs and a keeper if employed, or the prong base is foldable over the imperforate extension so that a planar smooth-finished surface of the imperforate extension covers the otherwise exposed metal components of the connector.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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