Solicitação de exame técnico
#4.1
07/07/1987
RPI 872
Application data
Number
PI8604196Type
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: 07/07/1987. We update with every new RPI gazette, published weekly.
Applicants
D. A. (pessoa física)
NO
Elkem a/s
NO
Inventors
B. V. (pessoa física)
NO
E. D. (pessoa física)
NO
N. B. (pessoa física)
NO
P. S. (pessoa física)
NO
Publications in the Brazilian Industrial Property Gazette (RPI).
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07/22/2008
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06/29/1993
RPI 1178
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04/27/1993
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