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US 2,000,995 A · Inventors: SEAVEY FREDERICK R et al.

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Overview

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Read the whole patent

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.

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Why it's free to use

  • Granted May 14, 1935. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 14, 1952.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 26, 1932
GrantedMay 14, 1935
Term endedMay 14, 1952
Application number—
Classification (CPC)C06B21/0091
Length3 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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Everything on this page comes from the USPTO record linked above.