US PATENT SUBCLASS 426 / 241
.~ Heating by electromagnetic wave

Current as of: June, 1999
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426 /   HD   FOOD OR EDIBLE MATERIAL: PROCESSES, COMPOSITIONS, AND PRODUCTS

237  DF  DIRECT APPLICATION OF ELECTRICAL OR WAVE ENERGY TO FOOD MATERIAL {7}
241.~ Heating by electromagnetic wave {2}
242  DF  .~.~> Product dry in final form
243  DF  .~.~> To cook

DEFINITION

Classification: 426/241

(under subclass 237) Processes directed to heating food material with energy in the form of electromagentic waves e.g., infrared, radar, microwave, etc..

SEE OR SEARCH CLASS

219, Electric Heating,

678+, for microwave heating; note for claims citing both food (edible) and nonfood (nonedible) heating by an electric heating device or method, classification is proper for Class 219, and if the claims recited are limited to food (edible) heating methods, composition, product, or processes, classification is proper for Class 426. Also, see subclasses 764+ for capacitive dielectric heating, note subclass 771.