Solicitação de exame técnico
#4.1
09/26/1989
RPI 988
The letters patent expired on 10/03/1995: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Metalfrio S/A Indústria e Comércio de Refrigeração
SP, BR
Inventors
A. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/26/1989
RPI 988
#4.2
07/04/1989
RPI 976
#3.1
03/04/1987
RPI 854
#2.1
10/01/1985
RPI 780
#21.1
10/03/1995
RPI 1296
#16.1
11/26/1991
RPI 1095
#13.1
08/13/1991
RPI 1080
#9.1
04/30/1991
RPI 1065
#6.1
12/18/1990
RPI 1046
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