Solicitação de exame técnico
#4.1
05/17/1988
RPI 917
The letters patent expired on 09/18/2001: 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: 05/17/1988. We update with every new RPI gazette, published weekly.
Applicants
H. H. (pessoa física)
SP, BR
Inventors
H. H. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/17/1988
RPI 917
#3.2
03/29/1988
RPI 910
#2.1
03/01/1988
RPI 906
#21.1
Patente extinta em 09/11/97 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
03/30/1993
RPI 1165
#13.1
10/27/1992
RPI 1143
#9.1
06/09/1992
RPI 1123
#6.1
12/17/1991
RPI 1098
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Same category
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