U.S. patents available from 1976 to present.
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Patent No. 6205950

Pet Toilet-Like Water Disk and Food Storage

One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."

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Class 152/262 - Radial


Subclass of Class 152 - Resilient tires and wheels
Definition: The coil springs extend radially substantially in the plane
No. of patents: 1
Last issue date: 11/15/2005


NumberTitleIssue Date
6964412Ring shaped spring device
A spring device comprising at least one annular support plate defining a ring with a central axis; a plurality of circumferentially spaced, parallel oriented coil springs disposed about the at least one annular plate; and, a plurality of lock assemblies spaced about... 		11/15/2005
 
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