Solicitação de exame técnico
#4.1
10/04/1988
RPI 937
Application data
Number
PI8505905Type
Filing
Publication
The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 10/04/1988. We update with every new RPI gazette, published weekly.
Applicants
Thiele Kaolin Company
US
Inventors
R. Y. (pessoa física)
US
T. H. (pessoa física)
US
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