Pedido de patente depositado
#2.1
10/31/1989
RPI 993
Application data
Number
PI8804829Type
Filing
Publication
The applicant withdrew the application. The case ended without a patent.
Talk to a specialistLatest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Nacional - CSN
RJ, BR
Inventors
E. L. (pessoa física)
BR
H. J. (pessoa física)
BR
P. S. (pessoa física)
BR
W. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/31/1989
RPI 993
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RPI 1382
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RPI 1332
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01/03/1995
RPI 1257
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12/04/1990
RPI 1044
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05/15/1990
RPI 1018
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