US PATENT SUBCLASS 356 / 52
EGG CANDLING

Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

52EGG CANDLING {6}
53  DF  .~> Photoelectric
54  DF  .~> With counting, marking, or weighing
55  DF  .~> With egg transfer {3}
62  DF  .~> With light shading chamber {1}
64  DF  .~> With light box {2}
68  DF  .~> Lamp attachments

DEFINITION

Classification: 356/52

(under the class definition) Subject matter which involves light transmission through eggs, which light may be photoelectrically or visually detected to determine the fertility, freshness or other conditions of the eggs.

(1) Note. Included in this subclass are all hand or bodily

held devices used for candling eggs.

(2) Note. The combination of candling of eggs and the incubation of the eggs is in Class 119, Animal Husbandry. However the heating of the eggs to perfect a candling operation is in Class 356, subclass 36.

SEE OR SEARCH THIS CLASS, SUBCLASS:

432+, for tests involving light transmission tests through translucent and transparent articles.

SEE OR SEARCH CLASS 15, Brushing, Scrubbing, and General Cleaning,

3.11, for machines to clean and sort eggs or screen out dirt from eggs.

53, Package Making,

147, for the group forming of articles and the subsequent packaging of the articles in portable receptacles and subclass 167 for the combination of a visual test of an article and the filling of portable receptacles with the tested articles.

119, Animal Husbandry,

6.8, for methods and apparatus for hatching eggs including the step of candling of eggs, and subclasses 311+ for incubators.

221, Article Dispensing, appropriate subclass for releasing articles one at a time from a supply apparatus.