| 21. | It does not apply to a price-fix on an unpatented product made by a patented machine or patented method.
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| 22. | This provision tended to discourage any production of unpatented board because it was more costly to manufacture than the patented board.
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| 23. | From perfume to microchips, Durkee said, companies are free to make copies of unpatented products and advertise them as such.
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| 24. | Since 1975, Kodak had followed a policy of selling patented and unpatented repair parts only to direct purchasers of its equipment.
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| 25. | The owner of a patent for a machine might thereby secure a partial monopoly on the unpatented supplies consumed in its operation.
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| 26. | One judge dissented : " The appellant seeks to restrain the sale of an unpatented ingredient used by it in its process.
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| 27. | By the rule there declared every use of a patent as a means of obtaining a limited monopoly of unpatented material is prohibited.
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| 28. | Examples of such patent misuse include forcing customers to agree to pay royalties on unpatented products or to pay royalties on an expired patent.
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| 29. | The lower courts had erred by using llinois unfair competition law to effectively give Stiffel Co . a patent monopoly on its unpatented lamp.
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| 30. | The fact that an unpatented part of a combination patent may distinguish the invention does not draw to it the privileges of a patent.
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