Solicitação de exame técnico
#4.1
03/15/1988
RPI 908
Application data
Number
PI8502873Type
Filing
Publication
The patent was granted on 07/30/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 03/15/1988. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Paulista - COSIPA
SP, BR
Inventors
F. M. (pessoa física)
BR
R. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/15/1988
RPI 908
#3.1
01/21/1987
RPI 848
#2.1
08/27/1985
RPI 775
#18.2
07/25/1995
RPI 1286
#16.1
07/30/1991
RPI 1078
#13.1
03/12/1991
RPI 1058
#9.1
11/27/1990
RPI 1043
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.