Buoys – rafts – and aquatic devices – Water rescue or life protecting apparatus – Personal flotation device
Reexamination Certificate
2007-05-07
2008-11-04
Olson, Lars A (Department: 3617)
Buoys, rafts, and aquatic devices
Water rescue or life protecting apparatus
Personal flotation device
C137S228000, C141S038000
Reexamination Certificate
active
07445533
ABSTRACT:
An inflation device and method for inflating or deflating inflatable objects, such as game balls is disclosed. The inflation device measures the pressure of a game ball and inflates or deflates the ball to a pressure selected by the user. Also disclosed is an injection apparatus that can be used to automatically retract an injection needle from the game ball or other inflatable object.
REFERENCES:
patent: 4969493 (1990-11-01), Lee
patent: 5148712 (1992-09-01), Cross et al.
patent: 7320347 (2008-01-01), Ramsey et al.
Demmer Edward
Demmer William
Norton David
Overholt Robert
Underwood Clarence
McLeod Ian C.
Olson Lars A
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