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Sakraida v. Ag Pro Inc.
''Sakraida v. Ag Pro Inc.'',〔(''Sakraida v. Ag Pro Inc.'' ),425 U.S. 273 (1976).〕 was a unanimous 1976 Supreme Court decision holding a claimed invention obvious because it "simply arranges old elements with each performing the same function it had been known to perform, although perhaps producing a more striking result than in previous combinations."〔425 U.S, at 282.〕
==Background==
The patent in this case covered "a water flush system to remove cow manure from the floor of a dairy barn."〔425 U.S. at 274.〕 The system was a combination of conventional, well-known elements, using flowing water to flush cow manure from a barn. "Systems using flowing water to clean animal wastes from barn floors have been familiar on dairy farms since ancient times."〔425 U.S. at 275.〕 The Court cited the fifth labor of Hercules (cleaning the Augean stables) as an example.〔425 U.S. at 275 n.1.〕 It was conceded that each element of the claimed combination was found in the prior art.〔425 U.S. at 275-77.〕 "The only claimed inventive feature of the () combination of old elements is the provision for abrupt release of the water from the tanks or pools directly onto the barn floor, which causes the flow of a sheet of water that washes all animal waste into drains within minutes and requires no supplemental hand labor."〔425 U.S. at 277.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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