Exigência - art. 36 da LPI
#6.1
10/24/1989
RPI 992
The patent was granted on 10/30/1990 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)
MG, BR
Inventors
L. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
10/24/1989
RPI 992
#4.1
08/09/1988
RPI 929
#3.1
04/12/1988
RPI 912
#2.1
03/31/1987
RPI 858
#18.2
11/14/1995
RPI 1302
#16.1
10/30/1990
RPI 1039
#13.1
08/14/1990
RPI 1028
#9.1
04/10/1990
RPI 1013
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.