Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article
Reexamination Certificate
2007-08-07
2007-08-07
Ellis, Christopher P. (Department: 3618)
Land vehicles
Wheeled
Tiltable vehicles, stabilized by attendant or article
C280S047270, C280S079500, C280S079600, C280S079700
Reexamination Certificate
active
11120215
ABSTRACT:
A safety welding cart structure having a metal box for holding pressurized gas cylinders, a firewall separating the cylinders, individual clamping devices to secure the cylinders, and shelves extending from the back of the box forming a cart set upon a four-wheeled base, which includes two positive-locking swivel casters. The regulators are contained within a ventilated cabinet and the hoses are wound about a reel.
REFERENCES:
patent: 3194943 (1965-07-01), Flora
patent: 4625949 (1986-12-01), Walker
patent: 5570895 (1996-11-01), McCue et al.
patent: 6116623 (2000-09-01), Salvucci
patent: 6590184 (2003-07-01), Andersen
patent: 6930282 (2005-08-01), Di Novo et al.
Barritt Dell
Dewegeli Eugene
Callahan Kenneth E.
Collado Cynthia F.
Ellis Christopher P.
The United States of America as represented by the Secretary of
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