Solicitação de exame técnico
#4.1
08/09/1988
RPI 929
Application data
Number
PI8706379Type
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)
D. W. (pessoa física)
PR, BR
Inventors
A. B. (pessoa física)
A. W. (pessoa física)
BR
D. W. (pessoa física)
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 23/11/2002
07/29/2008
RPI 1960
#16.1
01/26/1993
RPI 1156
#13.1
07/07/1992
RPI 1127
#9.1
02/25/1992
RPI 1108
#6.1
08/20/1991
RPI 1081
From the same holder
Same category
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