Spiral piston ring with tapered ends and recesses
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 18, 1986
Grant Date -
N/A
app pub date -
Nov 23, 1984
filing date -
Nov 23, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spiral piston ring made of self-lubricating material and having at least two complete convolutions and having a gradual and continuous taper except for the terminal portions thereof which taper at a steeper angle than the gradual and continuous taper, and with indentations in the convolutions adjacent to the terminal portions which are positioned and which have a size and shape to receive exactly the terminal portions.
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