Pedido de patente depositado
#2.1
05/23/1989
RPI 970
The letters patent expired on 09/25/2001: 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: 05/23/1989. We update with every new RPI gazette, published weekly.
Applicants
Aço Minas Gerais S/A - Açominas
MG, BR
Inventors
A. B. (pessoa física)
BR
M. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 27/12/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
#16.1
07/27/1993
RPI 1182
#9.1
03/09/1993
RPI 1162
#4.1
07/16/1991
RPI 1076
#3.1
08/14/1990
RPI 1028
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.