Ships – Boats – boat component – or attachment – Boarding aids
Reexamination Certificate
2005-11-08
2005-11-08
Sotelo, Jesus D. (Department: 3617)
Ships
Boats, boat component, or attachment
Boarding aids
C182S086000
Reexamination Certificate
active
06962125
ABSTRACT:
A ladder system consists of a base and extension and a system for connection of the base to the extension for vertical height extension or horizontal lenght extension or for nesting the extension steps in the base for storage.
REFERENCES:
patent: 3570029 (1971-03-01), Hunsaker
patent: 4021071 (1977-05-01), Norman
patent: 5123372 (1992-06-01), Kobayashi et al.
Rosenblatt Joel I.
Sotelo Jesus D.
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