Dual balloon

Details Dual balloon Dual balloon

1990-10-26

1992-03-24

DeMille, Danton D.

Amusement devices: toys

Inflatable

Having separately inflatable parts

446224, 273 58BA, 273 58F, A63H 306, A63B 4100

Patent

active

050983296

ABSTRACT:
A dual balloon comprising an outer sphere and an inner sphere with corresponding conduits placed in the surfaces of the spheres and a connecting trachea being releasable engageable between the conduits and providing an air path from the outside of the outer sphere to the inside of the inner sphere. The inner sphere being able to be free-floating in the outer sphere while remaining inflated and being releasably engageable directly with the outer sphere.

REFERENCES:
patent: 1300640 (1919-04-01), Pasternak
patent: 1356817 (1920-10-01), Gregory
patent: 3693266 (1972-09-01), Pressman
patent: 4142322 (1979-03-01), Zeyra
patent: 4842563 (1989-06-01), Russell
patent: 4917381 (1990-04-01), Spector

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