Deferimento
#9.1
10/24/1989
RPI 992
Application data
Number
PI8404603Type
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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Paulista - COSIPA
SP, BR
Inventors
A. D. (pessoa física)
BR
R. A. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
10/24/1989
RPI 992
#6.1
05/09/1989
RPI 968
#6.1
10/25/1988
RPI 940
#4.1
08/12/1986
RPI 825
#3.1
04/22/1986
RPI 809
#2.1
11/20/1984
RPI 735
#21.1
Patente extinta em 14/09/99
07/08/2008
RPI 1957
10/18/1994
RPI 1246
#16.1
06/26/1990
RPI 1024
#13.1
03/01/1990
RPI 1007
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.