Publicação do pedido de patente
#3.1
02/21/1989
RPI 957
Application data
Number
PI8704139Type
Filing
Publication
The patent was granted on 02/16/1994 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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - Usiminas
MG, BR
Inventors
H. K. (pessoa física)
BR
M. M. (pessoa física)
BR
R. G. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/21/1989
RPI 957
#2.1
09/13/1988
RPI 934
#18.2
12/31/1996
RPI 1361
#16.1
02/16/1994
RPI 1211
#13.1
03/09/1993
RPI 1162
#15.6
12/29/1992
RPI 1152
#15.3
06/16/1992
RPI 1124
#9.1
01/14/1992
RPI 1102
#4.1
01/08/1991
RPI 1049
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.