Solicitação de exame técnico
#4.1
11/21/1989
RPI 996
The letters patent expired on 09/18/2001: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Czarina S/A
RS, BR
Inventors
C. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/21/1989
RPI 996
#4.2
09/12/1989
RPI 986
#3.1
01/10/1989
RPI 951
#2.1
11/17/1987
RPI 891
#21.1
Patente extinta em 22/06/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
06/25/1991
RPI 1073
#13.1
03/12/1991
RPI 1058
#9.1
11/27/1990
RPI 1043
#6.1
06/26/1990
RPI 1024
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