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Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp. : ウィキペディア英語版 | Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.
''Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.'', 340 U.S. 147 (1950),〔(【引用サイトリンク】title=FindLaw - Cases and Codes )〕 is a patent case decided by the United States Supreme Court. The Court held that a patent〔(【引用サイトリンク】title=Patent US2242408 - Merchandise handler )〕 for a cashier's counter and movable frame for grocery stores was invalid because it was a combination of known elements that added nothing new to the total stock of knowledge. ==Background== Patent number 2,242,408 ("the Turnham patent") claimed the invention of a cashier's counter equipped with a three-sided frame with no top or bottom which, when pushed or pulled, moved groceries deposited in it by a customer to the clerk and left them there when pushed back to repeat the operation. The district court found that, although each element of the device was known to prior art, a counter with an extension to receive a self-unloading tray with which to push the contents of the tray in front of the cashier was a novel feature and constituted a new and useful combination. The Court of Appeals affirmed the district court's decision. Both courts found that every element claimed in the Turnham patent was known to prior art, except the extension of the counter.
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