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Patent Summary

(12) Patent: (11) CA 74600
(54) English Title: LIGHT DIFFUSING PRISM PLATES
(54) French Title: LUMIERE PRISMATIQUE


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Patent Details

(52) Canadian Patent Classification (CPC):
  • 240/139
(51) International Patent Classification (IPC): N/A
(72) Inventors (Country):
  • WEIL, EMIL JOSEPH (United States of America)
  • SCHUYLER HUBBARD, R. (United States of America)
  • GALT BROWN, JAMES (United States of America)
(73) Owners (Country):
  • THE SOLAR PRISM COMPANY (United States of America)
(71) Applicants (Country):
(74) Agent:
(45) Issued: 1902-01-28
(22) Filed Date: 1900-02-20
(30) Availability of licence: N/A
(30) Language of filing: English

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data: None


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Last Updated: 2012-05-17

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