Solicitação de exame técnico
#4.1
03/21/1989
RPI 961
Application data
Number
PI8802617Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 03/21/1989. We update with every new RPI gazette, published weekly.
Applicants
D. R. (pessoa física)
SP, BR
Inventors
D. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/21/1989
RPI 961
#3.2
01/17/1989
RPI 952
#2.1
10/25/1988
RPI 940
#21.1
Patente extinta em 31/05/2003
09/02/2008
RPI 1965
02/01/1994
RPI 1209
10/05/1993
RPI 1192
#16.1
06/29/1993
RPI 1178
#13.1
03/09/1993
RPI 1162
#9.1
10/27/1992
RPI 1143
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Same category
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