Title:
Liner hanger
United States Patent 3152643


Inventors:
Erwin, Burns
Application Number:
US18069162A
Publication Date:
10/13/1964
Filing Date:
03/19/1962
Assignee:
Erwin, Burns
Primary Class:
Other Classes:
166/196, 166/208
International Classes:
E21B23/06; E21B43/10
View Patent Images:
US Patent References:
2337733Liner hanger1943-12-28
2310572By-pass type liner hanger1943-02-09