Solicitação de exame não realizada
#4.2
08/09/1988
RPI 929
Application data
Number
PI8502124Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 08/09/1988. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - Usiminas
MG, BR
Inventors
A. A. (pessoa física)
BR
G. C. (pessoa física)
BR
J. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.2
08/09/1988
RPI 929
#3.1
12/09/1986
RPI 842
#2.1
02/12/1986
RPI 799
#21.1
Patente extinta em 19/04/2000
07/15/2008
RPI 1958
#16.1
04/25/1995
RPI 1273
#13.1
11/08/1994
RPI 1249
#9.1
07/12/1994
RPI 1232
#4.1
07/06/1993
RPI 1179
06/08/1993
RPI 1175
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.