Solicitação de exame técnico
#4.1
08/22/1989
RPI 983
Application data
Number
PI8605342Type
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: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Paulista - COSIPA
SP, BR
Inventors
A. C. (pessoa física)
BR
M. S. (pessoa física)
BR
N. G. (pessoa física)
BR
S. D. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/22/1989
RPI 983
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RPI 919
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07/22/2008
RPI 1959
10/25/1994
RPI 1247
#16.1
06/28/1994
RPI 1230
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03/22/1994
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11/16/1993
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