Solicitação de exame técnico
#4.1
08/09/1988
RPI 929
Application data
Number
PI8706351Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 08/09/1988. We update with every new RPI gazette, published weekly.
Applicants
A. B. (pessoa física)
PR, BR
A. W. (pessoa física)
PR, BR
D. W. (pessoa física)
PR, BR
Inventors
A. B. (pessoa física)
BR
A. W. (pessoa física)
BR
D. W. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/09/1988
RPI 929
#3.2
05/10/1988
RPI 916
#2.1
03/01/1988
RPI 906
#21.1
Patente extinta em 20/11/2002
07/29/2008
RPI 1960
#20.1
03/16/1993
RPI 1163
#16.1
09/29/1992
RPI 1139
#13.1
01/28/1992
RPI 1104
#15.11
11/26/1991
RPI 1095
#9.1
09/24/1991
RPI 1086
From the same holder
Same category
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