 | Albert Henry Walker - Patent laws and legislation - 1904 - 906 pages
...filed.3 § 425. The statement of the right of action must also aver that the invention was not in public use or on sale in this country for more than two years before the inventor's application for the patent.4 And where a declaration is based on a patent which was applied... | |
 | Theophilus Parsons - Contracts - 1904 - 1026 pages
...invention or discovery thereof, or more than two years prior to his application, and not in public use or on sale in this country for more than two years prior to his application, unless the same is proved to have been abandoned, may, upon payment of the... | |
 | United States - Law - 1905 - 1032 pages
...invention or discovery thereof, or more than two years prior to his application, and not in public use or on sale in this country for more than two years prior to his application, unless the same is proved to have been abandoned, may, upon payment of the... | |
 | Walter Malins Rose - Bankruptcy - 1907 - 1018 pages
...first inventor or discoverer of any material and substantial part of the tiling patented ; or. Fifth. That it had been in public use or on sale in this country for more than two years before his application for a patent, or had been abandoned to the public. And in notices as to proof of previous... | |
 | Society of Motion Picture and Television Engineers - Cinematography - 1921 - 404 pages
...invention or discovery thereof, or more than two years prior to his application, and not in public use or on sale in this country for more than two years prior to his application, unless the same is proved to have been abandoned, may, upon This Office cannot... | |
 | United States. Congress. House. Committee on Patents - 1932 - 156 pages
...Invention or discovery thereof, or more than two years prior to his application, and not in public use or on sale in this country for more than two years prior to his application, unless the same is proved to have been abandoned, may, upon payment of the... | |
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... or more than two years prior to his application, and not in public use or on sale in this country for more than two years... 
