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
#3.2
08/22/1989
RPI 983
#2.1
03/07/1989
RPI 959
#21.1
Patente extinta em 26/10/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).
09/25/2001
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10/25/1994
RPI 1247
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11/09/1993
RPI 1197
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04/27/1993
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