Dual string spider
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 3, 1983
Grant Date -
N/A
app pub date -
Dec 15, 1980
filing date -
Dec 15, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dual string spider having a body of two halves pivotally secured at one side and releasably secured at the other side with bowls extending through the body and open to each other, gripping means for each bowl, an actuator for each gripping means, and bars extend through the body halves to divide the bowls and to center well strings in their respective bowls.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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