14.1
07/19/1988
RPI 926
Application data
Number
PI8404969Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 07/19/1988. We update with every new RPI gazette, published weekly.
Applicants
Armco do Brasil S/A
SP, BR
Inventors
C. O. (pessoa física)
BR
M. S. (pessoa física)
BR
R. G. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/19/1988
RPI 926
#4.1
08/12/1986
RPI 825
#3.1
05/06/1986
RPI 811
#2.1
12/11/1984
RPI 738
#21.1
Patente extinta em 02/10/99
07/08/2008
RPI 1957
#22.1
04/29/1997
RPI 1378
#16.1
05/26/1992
RPI 1121
#13.1
01/07/1992
RPI 1101
#9.1
09/03/1991
RPI 1083
04/23/1991
RPI 1064
04/16/1991
RPI 1063
#6.1
05/22/1990
RPI 1019
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.