Solicitação de exame técnico
#4.1
09/05/1989
RPI 985
The letters patent expired on 09/25/2001: 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: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants
Indusfrio - Indústria de Refrigeração Ltda
PR, BR
Inventors
R. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/05/1989
RPI 985
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08/22/1989
RPI 983
#2.1
08/15/1989
RPI 982
12/20/1988
RPI 948
#21.1
Patente extinta em 31/08/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
RPI 1603
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06/28/1994
RPI 1230
#13.1
02/22/1994
RPI 1212
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08/31/1993
RPI 1187
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03/01/1990
RPI 1007
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