Solicitação de exame técnico
#4.1
01/12/1988
RPI 899
Application data
Number
PI8601012Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 01/12/1988. We update with every new RPI gazette, published weekly.
Applicants
E. R. (pessoa física)
SP, BR
R. R. (pessoa física)
SP, BR
Inventors
E. R. (pessoa física)
BR
R. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/12/1988
RPI 899
#3.1
10/27/1987
RPI 888
#2.1
08/26/1986
RPI 827
#21.1
Patente extinta em 10/03/2001
07/22/2008
RPI 1959
#16.1
03/30/1993
RPI 1165
#13.1
09/01/1992
RPI 1135
#9.1
03/24/1992
RPI 1112
#6.1
10/01/1991
RPI 1087
Same category
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