U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

A banana protective device for storing and transporting a banana carefully.

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Class 4/281 - Gravity controlled valve

Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: The valve governing the inlet to the spittoon is normally
No. of patents: 0