Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement
Reexamination Certificate
2008-05-13
2008-05-13
Lagman, Frederick L. (Department: 3672)
Hydraulic and earth engineering
Subterranean or submarine pipe or cable laying, retrieving,...
Repair, replacement, or improvement
C405S184400, C138S097000
Reexamination Certificate
active
07371031
ABSTRACT:
A housing has a central recessed area with a first end and a second end. Each end has an inside rim with at least one aperture there through. The housing has an outside end with an outside end rim with at least one aperture there through. The housing has a central portion with a full circumference. At least one elastomeric pad has an upper face and a lower face. The upper face is coupled to the housing. A compound lifting assembly coupling the pad to the housing.
REFERENCES:
patent: 3718978 (1973-03-01), Van Koevering et al.
patent: 4309128 (1982-01-01), Williams
patent: 4457647 (1984-07-01), Dusette et al.
patent: 4657436 (1987-04-01), Yarnell
patent: 6588983 (2003-07-01), Tenbusch, II
patent: 6619886 (2003-09-01), Harrington
patent: 6755592 (2004-06-01), Janssen
patent: 7220080 (2007-05-01), Grimmett
Dutkiewicz Edward P.
Lagman Frederick L.
LandOfFree
Sag correction system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Sag correction system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sag correction system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2785649