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

A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.

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Class 172/590 - Latch responsive to tractor motion

Subclass of Class 172 - Earth working
Definition: Apparatus comprising a detent means holding two parts against
No. of patents: 0