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Apparatus for the efficient use of ionizing radiation produced by microwave linear accelerators

US 2,931,941 A · Inventors: NYGARD JOHN C et al.

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Granted April 5, 1960. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 5, 1977.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 31, 1955
GrantedApril 5, 1960
Term endedApril 5, 1977
Application number—
Classification (CPC)A61N5/10 +2 more
Length7 pages

Timeline

Timeline From USPTO dates

19561959196219651968197119741977Application filedJan 31, 1955Patent grantedApril 5, 1960Term endedApril 5, 1977

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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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