Ships – Boats – boat component – or attachment – Inflatable
Reexamination Certificate
2006-02-21
2006-02-21
Sotelo, Jesus D. (Department: 3617)
Ships
Boats, boat component, or attachment
Inflatable
C441S040000
Reexamination Certificate
active
07000562
ABSTRACT:
A semi-rigid pneumatic boat (1) comprising: a rigid hull (2) defined by a rigid underwater hull (3) closed on the top by a rigid floor (4) and bordered on two sides by two pneumatic floats (5); a ballast (8) arranged in the rear part of the rigid hull (2) and pumping means for filling it with water or emptying it thereof; two pneumatic chambers (10) defined in the respective rear parts of the two floats (5) and pneumatically isolated from the rest of the floats; means (12, 13) for inflating and means (14) for deflating the rear chambers; the boat having no rear board; thus, by filling the ballast (8) and by deflating the rear chambers (10) the boat is nosed up, with its rear part submerged and a load (25) may be brought closer, against the floor (4), and then by emptying the ballast and re-inflating the chambers (10) the boat is set afloat, supporting the load (25).
REFERENCES:
patent: 926458 (1909-06-01), Beeler et al.
patent: 3937027 (1976-02-01), Koehler et al.
patent: 4345536 (1982-08-01), Gregg
patent: 5228407 (1993-07-01), Cummer et al.
patent: 1301368 (1962-08-01), None
patent: 2754778 (1998-04-01), None
patent: 931210 (1963-07-01), None
Kilpatrick & Stockton LLP
Russell Dean W.
Sotelo Jesus D.
Zodiac International
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