Concessão da patente
#16.1
06/30/1987
RPI 871
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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
Fermax - Indústria de Acessórios para Esquadrias Ltda.
Inventors
C. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
02/17/1987
RPI 852
#9.1
09/23/1986
RPI 831
#6.1
04/15/1986
RPI 808
#4.1
02/12/1985
RPI 747
#3.2
10/30/1984
RPI 732
#2.1
08/07/1984
RPI 720
#21.1
11/22/1994
RPI 1251
05/21/1991
RPI 1068
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Same category
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