120
05/09/1989
RPI 968
The letters patent expired on 11/22/1994: 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: 05/09/1989. We update with every new RPI gazette, published weekly.
Applicants
F. A. (pessoa física)
RJ, BR
Hélio José Ayres Marques, brasileiro
RJ, BR
Inventors
F. A. (pessoa física)
BR
H. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/09/1989
RPI 968
06/21/1988
RPI 922
#12.1
12/22/1987
RPI 896
#9.1
09/08/1987
RPI 881
#6.1
02/17/1987
RPI 852
#5.1
05/20/1986
RPI 813
#3.1
04/08/1986
RPI 807
#4.1
01/07/1986
RPI 794
#15.11
11/26/1985
RPI 788
#3.2
10/15/1985
RPI 782
#2.1
10/30/1984
RPI 732
#21.1
11/22/1994
RPI 1251
08/03/1993
RPI 1183
02/18/1992
RPI 1107
11/05/1991
RPI 1092
#17.1
03/19/1991
RPI 1059
#16.1
10/30/1990
RPI 1039
#13.1
04/24/1990
RPI 1015
03/01/1990
RPI 1007
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