Concessão da patente
#16.1
06/02/1987
RPI 867
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: 06/02/1987. We update with every new RPI gazette, published weekly.
Applicants
MARIA MARCINA PIMENTEL COIMBRA [BR]
Inventors
B. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/02/1987
RPI 867
#13.1
12/30/1986
RPI 845
#9.1
09/09/1986
RPI 829
#6.1
02/12/1986
RPI 799
#4.1
06/11/1985
RPI 764
#3.1
02/05/1985
RPI 746
#2.1
07/26/1983
RPI 666
#21.1
11/22/1994
RPI 1251
From the same holder
Same category
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