2.2
01/31/1989
RPI 954
Application data
Number
PI8703055Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 01/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Dedini S/A Siderurgica
SP, BR
M. Dedini S/A Metalúrgica
SP, BR
Inventors
L. C. (pessoa física)
BR
M. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
01/31/1989
RPI 954
#3.1
01/03/1989
RPI 950
#2.1
12/06/1988
RPI 946
#2.1
09/01/1987
RPI 880
#21.1
Patente extinta em 18/06/2002
07/29/2008
RPI 1960
#16.1
10/25/1994
RPI 1247
#13.1
03/22/1994
RPI 1216
#9.1
11/16/1993
RPI 1198
03/16/1993
RPI 1163
#4.1
02/13/1991
RPI 1054
From the same holder
Same category
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