Publicação do pedido de patente
#3.1
10/24/1989
RPI 992
Application data
Number
PI8801420Type
Filing
Publication
The letters patent expired on 08/26/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Paulista - COSIPA
SP, BR
Inventors
A. L. (pessoa física)
BR
N. J. (pessoa física)
BR
S. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/24/1989
RPI 992
#2.1
07/05/1988
RPI 924
#21.1
Patente extinta em 28/07/2008
08/26/2008
RPI 1964
#16.1
07/28/1998
RPI 1440
#13.1
05/13/1997
RPI 1380
#9.1
09/10/1996
RPI 1345
03/19/1996
RPI 1320
#6.1
05/10/1994
RPI 1223
#4.1
12/18/1990
RPI 1046
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.