Publicação do pedido de patente
#3.1
12/20/1988
RPI 948
Application data
Number
PI8702768Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 12/20/1988. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Paulista - COSIPA
SP, BR
U. J. (pessoa física)
RJ, BR
Universidade Federal do Rio de Janeiro - UFRJ
SP, BR
Inventors
D. S. (pessoa física)
BR
P. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/20/1988
RPI 948
08/30/1988
RPI 932
#2.1
07/12/1988
RPI 925
#21.1
Patente extinta em 29/05/2002
07/29/2008
RPI 1960
04/16/1996
RPI 1324
#16.1
01/26/1993
RPI 1156
#13.1
08/11/1992
RPI 1132
#9.1
03/17/1992
RPI 1111
#4.1
08/21/1990
RPI 1029
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.