20.3
10/03/1989
RPI 989
Application data
Number
PI8107944Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
C. D. (pessoa física)
P. J. (pessoa física)
R. S. (pessoa física)
Inventors
C. D. (pessoa física)
P. J. (pessoa física)
R. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/03/1989
RPI 989
#16.1
05/31/1988
RPI 919
#13.1
03/01/1988
RPI 906
#15.11
12/22/1987
RPI 896
#9.1
10/27/1987
RPI 888
#6.1
04/22/1987
RPI 861
#7.1
09/10/1985
RPI 777
#6.1
11/20/1984
RPI 735
#4.1
10/19/1982
RPI 626
#1.3
03/09/1982
RPI 594
#21.1
Patente extinta em 18/03/96
08/19/2008
RPI 1963
#20.1
03/13/1990
RPI 1009
Same category
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