Solicitação de exame técnico
#4.1
08/11/1987
RPI 877
Application data
Number
PI8604269Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 08/11/1987. We update with every new RPI gazette, published weekly.
Applicants
Kaiser Aluminum & Chemical Corporation
US
Inventors
J. M. (pessoa física)
US
M. R. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
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08/11/1987
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07/22/2008
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07/28/1992
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