312
01/24/1989
RPI 953
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: 01/24/1989. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
01/24/1989
RPI 953
04/19/1988
RPI 913
11/24/1987
RPI 892
08/04/1987
RPI 876
#17.1
02/24/1987
RPI 853
#16.1
12/31/1985
RPI 793
#13.1
09/24/1985
RPI 779
#9.1
06/11/1985
RPI 764
11/20/1984
RPI 735
#6.1
04/03/1984
RPI 702
11/01/1983
RPI 680
#5.1
01/18/1983
RPI 639
#4.1
07/27/1982
RPI 614
#3.2
04/06/1982
RPI 598
#21.1
Patente extinta em 23/12/90
08/19/2008
RPI 1963
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