Concessão da patente
#16.1
09/27/1988
RPI 936
The letters patent expired on 10/04/1994: 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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
Elc Produtos de Segurança Industria e Comercio Ltda
RJ, BR
Inventors
E. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
RPI 936
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07/19/1988
RPI 926
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03/15/1988
RPI 908
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07/14/1987
RPI 873
#15.11
07/07/1987
RPI 872
#4.1
07/01/1986
RPI 819
#3.1
12/17/1985
RPI 791
#2.1
07/17/1984
RPI 717
#21.1
10/04/1994
RPI 1244
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