US PATENT SUBCLASS 446 / 15
HAVING MEANS FOR FORMING TRANSITORY BUBBLE


Current as of: June, 1999
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446 /   HD   AMUSEMENT DEVICES: TOYS

15HAVING MEANS FOR FORMING TRANSITORY BUBBLE {3}
16  DF  .~> Including movably mounted means to dip orificed member into solution {2}
19  DF  .~> Including mouthpiece {1}
21  DF  .~> Including variable size air chamber


DEFINITION

Classification: 446/15

HAVING MEANS FOR FORMING TRANSITORY BUBBLE:

(under the class definition) Device comprising means for producing a thin film of cohesive material inflated with air, wherein the air is sealed within the film solely by said cohesive property.

(1) Note. Device which form bubbles under water are excluded.

SEE OR SEARCH CLASS

40, Card, Picture, or Sign Exhibiting,

408, for a store window type display device having bubble forming means.

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

10+, for foam colloid systems or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.