Solicitação de exame técnico
#4.1
08/11/1987
RPI 877
Application data
Number
PI8700087Type
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: 08/11/1987. We update with every new RPI gazette, published weekly.
Applicants
R. V. (pessoa física)
Inventors
V. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/11/1987
RPI 877
#3.2
05/26/1987
RPI 866
#2.1
05/12/1987
RPI 864
#21.1
Patente extinta em 06/01/2002
07/29/2008
RPI 1960
#16.1
07/25/1995
RPI 1286
#13.1
03/01/1995
RPI 1265
#9.1
10/25/1994
RPI 1247
From the same holder
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