Solicitação de exame técnico
#4.1
04/12/1988
RPI 912
Application data
Number
PI8702976Type
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: 04/12/1988. We update with every new RPI gazette, published weekly.
Applicants
G. B. (pessoa física)
SP, BR
N. L. (pessoa física)
SP, BR
Inventors
G. B. (pessoa física)
BR
N. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/12/1988
RPI 912
#3.2
12/08/1987
RPI 894
#2.1
09/01/1987
RPI 880
#21.1
Patente extinta em 12/06/2002
07/29/2008
RPI 1960
#16.1
03/31/1992
RPI 1113
#13.1
09/10/1991
RPI 1084
#9.1
05/28/1991
RPI 1069
#7.1
11/27/1990
RPI 1043
From the same holder
Same category
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