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US 2,414,138 A · Inventors: BRUCKNER ROBERT E

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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.

Why it's free to use

  • Granted January 14, 1947. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 14, 1964.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 6, 1942
GrantedJanuary 14, 1947
Term endedJanuary 14, 1964
Application number—
Classification (CPC)B65B3/003
Length3 pages

Timeline

Timeline From USPTO dates

19431946194919521955195819611964Application filedMarch 6, 1942Patent grantedJan 14, 1947Term endedJan 14, 1964

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