Solicitação de exame técnico
#4.1
05/24/1988
RPI 918
Application data
Number
PI8602535Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 05/24/1988. We update with every new RPI gazette, published weekly.
Applicants
P. A. (pessoa física)
DE
Inventors
G. Z. (pessoa física)
DE
H. B. (pessoa física)
DE
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/24/1988
RPI 918
#3.1
02/02/1988
RPI 902
#2.1
12/23/1986
RPI 844
#21.1
Patente extinta em 02/06/2001
07/22/2008
RPI 1959
#16.1
10/27/1992
RPI 1143
#13.1
07/07/1992
RPI 1127
#9.1
02/18/1992
RPI 1107
#6.1
09/03/1991
RPI 1083
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