Solicitação de exame técnico
#4.1
12/13/1988
RPI 947
Application data
Number
PI8600965Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 12/13/1988. We update with every new RPI gazette, published weekly.
Applicants
Institut de Recherches de La Sidérurgie Française - IRSID
FR
Inventors
G. T. (pessoa física)
FR
M. W. (pessoa física)
FR
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/13/1988
RPI 947
#3.1
11/18/1986
RPI 839
#2.1
08/26/1986
RPI 827
#21.1
Patente extinta em 06/03/2001
07/22/2008
RPI 1959
#16.1
08/25/1992
RPI 1134
#9.1
11/12/1991
RPI 1093
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.