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Apparatus for removing the solvent from solutions of resilient substances which are applied in considerable thickness to the single sheets of laminated glass for forming the nonsplintering intermediate layers

US 2,148,696 A · Inventors: ADOLF KAMPFER

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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 February 28, 1939. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 28, 1956.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 23, 1935
GrantedFebruary 28, 1939
Term endedFebruary 28, 1956
Application number—
Classification (CPC)B32B17/1099 +1 more
Length4 pages

Timeline

Timeline From USPTO dates

1936193919421945194819511954Application filedJan 23, 1935Patent grantedFeb 28, 1939Term endedFeb 28, 1956

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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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