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Niobium base high temperature alloys

US 2,881,069 A · Inventors: RHODIN JR THOR N

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  • Granted April 7, 1959. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 7, 1976.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 14, 1956
GrantedApril 7, 1959
Term endedApril 7, 1976
Application number—
Classification (CPC)C22C27/02
Length4 pages

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Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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