Concessão da patente
#16.1
10/25/1988
RPI 940
The letters patent expired on 11/22/1994: 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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
MAFRENSE MECANICA [BR]
Inventors
S. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1988
RPI 940
#13.1
07/19/1988
RPI 926
#9.1
03/15/1988
RPI 908
#15.6
01/12/1988
RPI 899
#15.3
09/22/1987
RPI 883
#15.11
04/22/1987
RPI 861
#6.1
11/25/1986
RPI 840
#4.1
06/11/1985
RPI 764
#3.2
01/22/1985
RPI 744
#2.1
12/18/1984
RPI 739
#21.1
11/22/1994
RPI 1251
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